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chore(deps): update dependency svelte to v4 [security] #1203

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@renovate renovate bot commented Sep 17, 2024 •
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This PR contains the following updates:

Package Change Age Adoption Passing Confidence
svelte (source) 3.49.0 -> 4.2.19 age adoption passing confidence

GitHub Vulnerability Alerts

CVE-2024-45047

Summary

A potential XSS vulnerability exists in Svelte for versions prior to 4.2.19.

Details

Svelte improperly escapes HTML on server-side rendering. It converts strings according to the following rules:

  • If the string is an attribute value:
    • " -> "
    • & -> &
    • Other characters -> No conversion
  • Otherwise:
    • < -> &lt;
    • & -> &amp;
    • Other characters -> No conversion

The assumption is that attributes will always stay as such, but in some situation the final DOM tree rendered on browsers is different from what Svelte expects on server-side rendering. This may be leveraged to perform XSS attacks. More specifically, this can occur when injecting malicious content into an attribute within a <noscript> tag.

PoC

A vulnerable page (+page.svelte):

<script>
import { page } from "$app/stores"

// user input
let href = $page.url.searchParams.get("href") ?? "https://example.com";
</script>

<noscript>
  <a href={href}>test</a>
</noscript>

If a user accesses the following URL,

http://localhost:4173/?href=</noscript><script>alert(123)</script>

then, alert(123) will be executed.

Impact

XSS, when using an attribute within a noscript tag

Release Notes

sveltejs/svelte (svelte)

v4.2.19

Compare Source

Patch Changes

  • fix: ensure typings for <svelte:options> are picked up (#​12902)

  • fix: escape < in attribute strings (#​12989)

v4.2.18

Compare Source

Patch Changes

v4.2.17

Compare Source

Patch Changes
  • fix: correctly handle falsy values of style directives in SSR mode (#​11584)

v4.2.16

Compare Source

Patch Changes
  • fix: check if svelte component exists on custom element destroy (#​11489)

v4.2.15

Compare Source

Patch Changes
  • support attribute selector inside :global() (#​11135)

v4.2.14

Compare Source

Patch Changes
  • fix parsing camelcase container query name (#​11131)

v4.2.13

Compare Source

Patch Changes
  • fix: applying :global for +,~ sibling combinator when slots are present (#​9282)

v4.2.12

Compare Source

Patch Changes
  • fix: properly update svelte:component props when there are spread props (#​10604)

v4.2.11

Compare Source

Patch Changes
  • fix: check that component wasn't instantiated in connectedCallback (#​10466)

v4.2.10

Compare Source

Patch Changes

  • fix: add scrollend event type (#​10336)

  • fix: add fetchpriority attribute type (#​10390)

  • fix: Add miter-clip and arcs to stroke-linejoin attribute (#​10377)

  • fix: make inline doc links valid (#​10366)

v4.2.9

Compare Source

Patch Changes

  • fix: add types for popover attributes and events (#​10042)

  • fix: add gamepadconnected and gamepaddisconnected events (#​9864)

  • fix: make @types/estree a dependency (#​10149)

  • fix: bump axobject-query (#​10167)

v4.2.8

Compare Source

Patch Changes
  • fix: port over props that were set prior to initialization (#​9701)

v4.2.7

Compare Source

Patch Changes
  • fix: handle spreads within static strings (#​9554)

v4.2.6

Compare Source

Patch Changes
  • fix: adjust static attribute regex (#​9551)

v4.2.5

Compare Source

Patch Changes
  • fix: ignore expressions in top level script/style tag attributes (#​9498)

v4.2.4

Compare Source

Patch Changes
  • fix: handle closing tags inside attribute values (#​9486)

v4.2.3

Compare Source

Patch Changes

  • fix: improve a11y-click-events-have-key-events message (#​9358)

  • fix: more robust hydration of html tag (#​9184)

v4.2.2

Compare Source

Patch Changes

  • fix: support camelCase properties on custom elements (#​9328)

  • fix: add missing plaintext-only value to contenteditable type (#​9242)

  • chore: upgrade magic-string to 0.30.4 (#​9292)

  • fix: ignore trailing comments when comparing nodes (#​9197)

v4.2.1

Compare Source

Patch Changes

  • fix: update style directive when style attribute is present and is updated via an object prop (#​9187)

  • fix: css sourcemap generation with unicode filenames (#​9120)

  • fix: do not add module declared variables as dependencies (#​9122)

  • fix: handle svelte:element with dynamic this and spread attributes (#​9112)

  • fix: silence false positive reactive component warning (#​9094)

  • fix: head duplication when binding is present (#​9124)

  • fix: take custom attribute name into account when reflecting property (#​9140)

  • fix: add indeterminate to the list of HTMLAttributes (#​9180)

  • fix: recognize option value on spread attribute (#​9125)

v4.2.0

Compare Source

Minor Changes
  • feat: move svelteHTML from language-tools into core to load the correct svelte/element types (#​9070)

v4.1.2

Compare Source

Patch Changes

  • fix: allow child element with slot attribute within svelte:element (#​9038)

  • fix: Add data-* to svg attributes (#​9036)

v4.1.1

Compare Source

Patch Changes
  • fix: svelte:component spread props change not picked up (#​9006)

v4.1.0

Compare Source

Minor Changes
  • feat: add ability to extend custom element class (#​8991)
Patch Changes

  • fix: ensure svelte:component evaluates props once (#​8946)

  • fix: remove let:variable slot bindings from select binding dependencies (#​8969)

  • fix: handle destructured primitive literals (#​8871)

  • perf: optimize imports that are not mutated or reassigned (#​8948)

  • fix: don't add accessor twice (#​8996)

v4.0.5

Compare Source

Patch Changes
  • fix: generate type definition with nullable types (#​8924)

v4.0.4

Compare Source

Patch Changes

  • fix: claim svg tags in raw mustache tags correctly (#​8910)

  • fix: repair invalid raw html content during hydration (#​8912)

v4.0.3

Compare Source

Patch Changes
  • fix: handle falsy srcset values (#​8901)

v4.0.2

Compare Source

Patch Changes

  • fix: reflect all custom element prop updates back to attribute (#​8898)

  • fix: shrink custom element baseline a bit (#​8858)

  • fix: use non-destructive hydration for all @html tags (#​8880)

  • fix: align disclose-version exports specification (#​8874)

  • fix: check srcset when hydrating to prevent needless requests (#​8868)

v4.0.1

Compare Source

Patch Changes

  • fix: ensure identifiers in destructuring contexts don't clash with existing ones (#​8840)

  • fix: ensure createEventDispatcher and ActionReturn work with types from generic function parameters (#​8872)

  • fix: apply transition to <svelte:element> with local transition (#​8865)

  • fix: relax a11y "no redundant role" rule for li, ul, ol (#​8867)

  • fix: remove tsconfig.json from published package (#​8859)

v4.0.0

Compare Source

Major Changes

  • breaking: Minimum supported Node version is now Node 16 (#​8566)

  • breaking: Minimum supported webpack version is now webpack 5 (#​8515)

  • breaking: Bundlers must specify the browser condition when building a frontend bundle for the browser (#​8516)

  • breaking: Minimum supported vite-plugin-svelte version is now 2.4.1. SvelteKit users can upgrade to 1.20.0 or newer to ensure a compatible version (#​8516)

  • breaking: Minimum supported rollup-plugin-svelte version is now 7.1.5 (198dbcf)

  • breaking: Minimum supported svelte-loader is now 3.1.8 (198dbcf)

  • breaking: Minimum supported TypeScript version is now TypeScript 5 (it will likely work with lower versions, but we make no guarantees about that) (#​8488)

  • breaking: Remove svelte/register hook, CJS runtime version and CJS compiler output (#​8613)

  • breaking: Stricter types for createEventDispatcher (see PR for migration instructions) (#​7224)

  • breaking: Stricter types for Action and ActionReturn (see PR for migration instructions) (#​7442)

  • breaking: Stricter types for onMount - now throws a type error when returning a function asynchronously to catch potential mistakes around callback functions
    (see PR for migration instructions) (#​8136)

  • breaking: Overhaul and drastically improve creating custom elements with Svelte (see PR for list of changes and migration instructions) (#​8457)

  • breaking: Deprecate SvelteComponentTyped in favor of SvelteComponent (#​8512)

  • breaking: Make transitions local by default to prevent confusion around page navigations (#​6686)

  • breaking: Error on falsy values instead of stores passed to derived (#​7947)

  • breaking: Custom store implementers now need to pass an update function additionally to the set function (#​6750)

  • breaking: Do not expose default slot bindings to named slots and vice versa (#​6049)

  • breaking: Change order in which preprocessors are applied (#​8618)

  • breaking: The runtime now makes use of classList.toggle(name, boolean) which does not work in very old browsers (#​8629)

  • breaking: apply inert to outroing elements (#​8628)

  • breaking: use CustomEvent constructor instead of deprecated createEvent method (#​8775)

Minor Changes

  • Add a way to modify attributes for script/style preprocessors (#​8618)

  • Improve hydration speed by adding data-svelte-h attribute to detect unchanged HTML elements (#​7426)

  • Add a11y no-noninteractive-element-interactions rule (#​8391)

  • Add a11y-no-static-element-interactionsrule (#​8251)

  • Allow #each to iterate over iterables like Set, Map etc (#​7425)

  • Improve duplicate key error for keyed each blocks (#​8411)

  • Warn about : in attributes and props to prevent ambiguity with Svelte directives (#​6823)

  • feat: add version info to window. You can opt out by setting discloseVersion to false in the compiler options (#​8761)

  • feat: smaller minified output for destructor chunks (#​8763)

Patch Changes

  • Bind null option and input values consistently (#​8312)

  • Allow $store to be used with changing values including nullish values (#​7555)

  • Initialize stylesheet with /* empty */ to enable setting CSP directive that also works in Safari (#​7800)

  • Treat slots as if they don't exist when using CSS adjacent and general sibling combinators (#​8284)

  • Fix transitions so that they don't require a style-src 'unsafe-inline' Content Security Policy (CSP) (#​6662).

  • Explicitly disallow var declarations extending the reactive statement scope (#​6800)

  • Improve error message when trying to use animate: directives on inline components (#​8641)

  • fix: export ComponentType from svelte entrypoint (#​8578)

  • fix: never use html optimization for mustache tags in hydration mode (#​8744)

  • fix: derived store types (#​8578)

  • Generate type declarations with dts-buddy (#​8578)

  • fix: ensure types are loaded with all TS settings (#​8721)

  • fix: account for preprocessor source maps when calculating meta info (#​8778)

  • chore: deindent cjs output for compiler (#​8785)

  • warn on boolean compilerOptions.css (#​8710)

  • fix: export correct SvelteComponent type (#​8721)

v3.59.2

Compare Source

  • Fix escaping <textarea bind:value={...}> values in SSR

v3.59.1

Compare Source

  • Handle dynamic values in a11y-autocomplete-valid (#​8567)

v3.59.0

Compare Source

  • Add ResizeObserver bindings contentRect/contentBoxSize/borderBoxSize/devicePixelContentBoxSize (#​8022)
  • Add devicePixelRatio binding for <svelte:window> (#​8285)
  • Add fullscreenElement and visibilityState bindings for <svelte:document> (#​8507)
  • Add a11y-autocomplete-valid warning (#​8520)
  • Fix handling of width/height attributes when spreading (#​6752)
  • Fix updating of interpolated style: directive when using spread (#​8438)
  • Remove style: directive property when value is undefined (#​8462)
  • Fix type of VERSION compiler export (#​8498)
  • Relax a11y-no-redundant-roles warning (#​8536)
  • Handle nested array rest destructuring (#​8552, #​8554)

v3.58.0

Compare Source

  • Add bind:innerText for contenteditable elements (#​3311)
  • Add support for CSS @container queries (#​6969)
  • Respect preserveComments in DOM output (#​7182)
  • Allow use of document for target in typings (#​7554)
  • Add a11y-interactive-supports-focus warning (#​8392)
  • Fix equality check when updating dynamic text (#​5931)
  • Relax a11y-no-noninteractive-element-to-interactive-role warning (#​8402)
  • Properly handle microdata attributes (#​8413)
  • Prevent name collision when using computed destructuring variables (#​8417)
  • Fix escaping <textarea value={...}> values in SSR (#​8429)

v3.57.0

Compare Source

  • Add <svelte:document> (#​3310)
  • Add a11y no-noninteractive-element-to-interactive-role (#​8167)
  • Stop intro transition from triggering incorrectly (#​6152, #​6812)
  • Support computed and literal properties when destructuring objects in the template (#​6609)
  • Give style: directive precedence over style= attribute (#​7475)
  • Select <option> with selected attribute when initial state is undefined (#​8361)
  • Prevent derived store callbacks after store is unsubscribed from (#​8364)
  • Account for bind:group members being spread across multiple control flow blocks (#​8372)
  • Revert buggy reactive statement optimization (#​8374)
  • Support CSS units in the fly and blur transitions (#​7623)

v3.56.0

Compare Source

  • Add |stopImmediatePropagation event modifier (#​5085)
  • Add axis parameter to slide transition (#​6182)
  • Add readonly utility to convert writable store to readonly (#​6518)
  • Add readyState binding for media elements (#​6666)
  • Generate valid automatic component names when the filename contains only special characters (#​7143)
  • Add naturalWidth and naturalHeight bindings (#​7771)
  • Support <!-- svelte-ignore ... --> on components (#​8082)
  • Add a11y warnings:
    • aria-activedescendant-has-tabindex: checks that elements with aria-activedescendant have a tabindex (#​8172)
    • role-supports-aria-props: checks that the (implicit) element role supports the given aria attributes (#​8195)
  • Add data-sveltekit-replacestate and data-sveltekit-keepfocus attribute typings (#​8281)
  • Compute node dimensions immediately before crossfading (#​4111)
  • Fix potential infinite invalidate loop with <svelte:component> (#​4129)
  • Ensure bind:offsetHeight updates initially (#​4233)
  • Don't set selected options if value is unbound or not passed (#​5644)
  • Validate component :global() selectors (#​6272)
  • Improve warnings:
    • Make noreferrer warning less zealous (#​6289)
    • Omit a11y warnings on <video aria-hidden="true"> (#​7874)
    • Omit a11y warnings on <svelte:element> (#​7939)
    • Detect unused empty attribute CSS selectors (#​8042)
    • Omit "no child content" warning on elements with aria-label (#​8296)
  • Check value equality for <input type="search"> and <input type="url"> (#​7027)
  • Do not select a disabled <option> by default when the initial bound value is undefined (#​7041)
  • Handle {@&#8203;html} tags inside <template> tags (#​7364)
  • Ensure afterUpdate is not called after onDestroy (#​7476)
  • Improve handling of inert attribute (#​7500)
  • Reduce use of template literals in SSR output for better performance (#​7539)
  • Ensure <input> value persists when swapping elements with spread attributes in an {#each} block (#​7578)
  • Simplify generated code for reactive statements if dependencies are all static (#​7942)
  • Fix race condition on <svelte:element> with transitions (#​7948)
  • Allow assigning to a property of a const when destructuring (#​7964)
  • Match browser behavior for decoding malformed HTML entities (#​8026)
  • Ensure trusted-types CSP compatibility for Web Components (#​8134)
  • Optimise <svelte:element> output code for static tag and static attribute (#​8161)
  • Don't throw when calling unsubscribing from a store twice (#​8186)
  • Clear inputs when bind:group value is set to undefined (#​8214)
  • Fix handling of nested arrays with keyed {#each} containing a non-keyed {#each} (#​8282)

v3.55.1

Compare Source

  • Fix draw transition with delay showing a dot at the beginning of the path (#​6816)
  • Fix infinity runtime call stack when propagating bindings (#​7032)
  • Fix static <svelte:element> optimization in production mode (#​7937)
  • Fix svelte-ignore comment breaking named slot (#​8075)
  • Revert change to prevent running init binding unnecessarily (#​8103)
  • Fix adding duplicate event listeners with <svelte:element on:event> (#​8129)
  • Improve detection of promises that are also functions (#​8162)
  • Avoid mutating spread component props during SSR (#​8171)
  • Add missing typing for global part attribute (#​8181)
  • Add missing submitter property to on:submit event type

v3.55.0

Compare Source

  • Add svelte/elements for HTML/Svelte typings (#​7649)

v3.54.0

Compare Source

  • Pass options.direction argument to custom transition functions (#​3918)
  • Support fallback a11y WAI-ARIA roles (#​8044)
  • Prevent running init binding unnecessarily (#​5689, #​6298)
  • Allow updating variables from @const declared function (#​7843)
  • Do not emit a11y-no-noninteractive-tabindex warning if element has a tabpanel (#​8025)
  • Fix escaping SSR'd values in style: directive (#​8085)

v3.53.1

Compare Source

  • Fix exception in rel= attribute check with dynamic values (#​7994)
  • Do not emit deprecation warnings for css compiler options for now (#​8009)
  • Make compiler run in browser again (#​8010)
  • Upgrade tslib (#​8013)

v3.53.0

Compare Source

  • Check whether parentNode exists before removing child (#​6037)
  • Upgrade various dependencies, notably css-tree to 2.2.1 (#​7572, #​7982)
  • Extend css compiler option with 'external' | 'injected' | 'none' settings and deprecate old true | false values (#​7914)

v3.52.0

Compare Source

  • Throw compile-time error when attempting to update const variable (#​4895)
  • Warn when using <a target="_blank"> without rel="noreferrer" (#​6188)
  • Support style:foo|important modifier (#​7365)
  • Fix hydration regression with {@&#8203;html} and components in <svelte:head> (#​7941)

v3.51.0

Compare Source

  • Add a11y warnings:
    • a11y-click-events-have-key-events: check if click event is accompanied by key events (#​5073)
    • a11y-no-noninteractive-tabindex: check for tabindex on non-interactive elements (#​6693)
  • Warn when two-way binding to {...rest} object in {#each} block (#​6860)
  • Support --style-props on <svelte:component> (#​7461)
  • Supports nullish values for component event handlers (#​7568)
  • Supports SVG elements with <svelte:element>(#​7613)
  • Treat inert as boolean attribute (#​7785)
  • Support --style-props for SVG components (#​7808)
  • Fix false positive dev warnings about unset props when they are bound (#​4457)
  • Fix hydration with {@&#8203;html} and components in <svelte:head> (#​4533, #​6463, #​7444)
  • Support scoped style for <svelte:element> (#​7443)
  • Improve error message for invalid value for <svelte:component this={...}> (#​7550)
  • Improve error message when using logic blocks or tags at invalid location (#​7552)
  • Warn instead of throwing error if <svelte:element> is a void tag (#​7566)
  • Supports custom elements in <svelte:element> (#​7733)
  • Fix calling component unmount if a component is mounted and then immediately unmounted (#​7817)
  • Do not generate a11y-role-has-required-aria-props warning when elements match their semantic role (#​7837)
  • Improve performance of custom element data setting in <svelte:element> (#​7869)

v3.50.1

Compare Source

  • Add all global objects and functions as known globals (#​3805, #​7223)
  • Fix regression with style manager (#​7828)

v3.50.0

Compare Source

  • Add a11y warnings:
    • a11y-incorrect-aria-attribute-type: check ARIA state and property values (#​6978)
    • a11y-no-abstract-role: check that ARIA roles are non-abstract (#​6241)
    • a11y-no-interactive-element-to-noninteractive-role: check for non-interactive roles used on interactive elements (#​5955)
    • a11y-role-has-required-aria-props: check that elements with role attribute have all required attributes for that role (#​5852)
  • Add ComponentEvents convenience type (#​7702)
  • Add SveltePreprocessor utility type (#​7742)
  • Enhance action typings (#​7805)
  • Remove empty stylesheets created from transitions (#​4801, #​7164)
  • Make a11y-label-has-associated-control warning check all descendants for input control (#​5528)
  • Only show lowercase component name warnings for non-HTML/SVG elements (#​5712)
  • Disallow invalid CSS selectors starting with a combinator (#​7643)
  • Use Node.parentNode instead of Node.parentElement for legacy browser support (#​7723)
  • Handle arrow function on <slot> inside <svelte:fragment> (#​7485)
  • Improve parsing speed when encountering large blocks of whitespace (#​7675)
  • Fix class: directive updates in aborted/restarted transitions (#​7764)

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New and removed dependencies detected. Learn more about Socket for GitHub ↗︎

Package New capabilities Transitives Size Publisher
npm/svelte@4.2.19 Transitive: unsafe +12 5.45 MB conduitry, rich_harris, svelte-admin

🚮 Removed packages: npm/svelte@3.49.0

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@renovate renovate bot force-pushed the renovate/npm-svelte-vulnerability branch from adfd822 to f1b2725 Compare September 17, 2024 07:37
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@renovate renovate bot force-pushed the renovate/npm-svelte-vulnerability branch from f1b2725 to e7c7b31 Compare September 17, 2024 07:38
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@sxzz sxzz closed this Oct 12, 2024
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