chore(deps): bump dompurify from 3.2.7 to 3.4.5

[dependabot]

Bumps dompurify from 3.2.7 to 3.4.5.

Release notes

Sourced from dompurify's releases.

DOMPurify 3.4.5

• Fixed a bypass caused by the new HTML element selectedcontent added in 3.4.4, thanks @​KabirAcharya

Note that this is a security release for an issue introduced in 3.4.4 and should be upgraded to immediately.

DOMPurify 3.4.4

• Added the selectedcontent element to default allow-list, thanks @​lukewarlow
• Added the command and commandfor attributes to default allowed-list, thanks @​lukewarlow
• Added better template scrubbing for IN_PLACE operations, thanks @​DEMON1A
• Added stronger checks for cross-realm windows, thanks @​DEMON1A & @​fg0x0
• Updated demo website and made sure it uses the latest from main
• Updated existing workflows, fuzzer, dependabot, etc., added more tests
• Bumped several dependencies where possible

🚨 This release had been flagged as deprecated, please use DOMPurify 3.4.5 instead 🚨

DOMPurify 3.4.3

• Fixed an issue with handling of nested Shadow DOM trees, thanks @​fishjojo1
• Fixed the template regexes to be more robust against ReDoS attacks, thanks @​aleung27
• Updated the node iteration code to catch more Shadow DOM related issues
• Updated Playwright and added Node 26 to test matrix
• Updated existing workflows, fuzzer, release signing, etc., added more tests
• Bumped several dependencies where possible

DOMPurify 3.4.2

• Fixed an issue with URI validation on attributes allowed via ADD_ATTR callback, thanks @​nelstrom
• Fixed an issue with source maps referring to non-existing files, thanks @​cmdcolin
• Updated existing workflows, fuzzer, release signing, etc., added more tests
• Bumped several dependencies where possible

DOMPurify 3.4.1

• Fixed an issue with on-handler stripping for HTML-spec-reserved custom element names (font-face, color-profile, missing-glyph, font-face-src, font-face-uri, font-face-format, font-face-name) under permissive CUSTOM_ELEMENT_HANDLING
• Fixed a case-sensitivity gap in the annotation-xml check that allowed mixed-case variants to bypass the basic-custom-element exclusion in XHTML mode
• Fixed SANITIZE_NAMED_PROPS repeatedly prefixing already-prefixed id and name values on subsequent sanitization
• Fixed the IN_PLACE root-node check to explicitly guard against non-string nodeName (DOM-clobbering robustness)
• Removed a duplicate slot entry from the default HTML attribute allow-list
• Strengthened the fast-check fuzz harness with explicit XSS invariants, an expanded seed-payload corpus, an additional idempotence property for SANITIZE_NAMED_PROPS, and a negative-control assertion ensuring the invariants actually fire
• Added regression and pinning tests covering the above fixes and two accepted-behavior contracts (SAFE_FOR_TEMPLATES greedy scrub, hook-added attribute handling)
• Extended CodeQL analysis to run on 3.x and 2.x maintenance branches

DOMPurify 3.4.0

Most relevant changes:

• Fixed a problem with FORBID_TAGS not winning over ADD_TAGS, thanks @​kodareef5
• Fixed several minor problems and typos regarding MathML attributes, thanks @​DavidOliver
• Fixed ADD_ATTR/ADD_TAGS function leaking into subsequent array-based calls, thanks @​1Jesper1
• Fixed a missing SAFE_FOR_TEMPLATES scrub in RETURN_DOM path, thanks @​bencalif
• Fixed a prototype pollution via CUSTOM_ELEMENT_HANDLING, thanks @​trace37labs
• Fixed an issue with ADD_TAGS function form bypassing FORBID_TAGS, thanks @​eddieran
• Fixed an issue with ADD_ATTR predicates skipping URI validation, thanks @​christos-eth

... (truncated)

Commits

• 011b0c7 release: 3.4.5 (#1382)
• 5817ad9 release: 3.4.4 (#1374)
• 520edb0 release: 3.4.3 (#1352)
• 6f67fd3 Sync/3.4.2 (#1322)
• 5b0cdbb chore: merge main into 3.x for 3.4.1 release (#1301)
• 09f5911 test: added three more browsers to test setup (OSX, mobile)
• 5b16e0b Getting 3.x branch ready for 3.4.0 release (#1250)
• 8bcbf73 chore: Preparing 3.3.3 release
• 5faddd6 fix: engine requirement (#1210)
• 0f91e3a Update README.md
• Additional commits viewable in compare view

Install script changes

This version adds prepare script that runs during installation. Review the package contents before updating.

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
hogwarts	Ignored	Preview	May 20, 2026 8:19am

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