fix(deps): update dependency dompurify to ^3.4.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
dompurify	^3.2.3 → ^3.4.8

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Release Notes

cure53/DOMPurify (dompurify)

v3.4.8: DOMPurify 3.4.8

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• Cleaned up the repository root, renamed some and removed unneeded files
• Fixed an issue with handling of Trusted Types policies, thanks @​fulstadev
• Fixed the node iterator for better template scrubbing, thanks @​IamLeandrooooo
• Included formerly missing LICENSE-MPL in published npm package, thanks @​asamuzaK
• Bumped several dependencies where possible

v3.4.7: DOMPurify 3.4.7

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• Hardened the handling of Shadow Roots when using IN_PLACE, thanks @​GameZoneHacker
• Removed a problem leading to permanent hook pollution, thanks @​offset
• Refactored the test suite and expanded test coverage significantly

v3.4.6: DOMPurify 3.4.6

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• Fixed several issues with DOM Clobbering in IN_PLACE mode, thanks @​offset & @​Bankde
• Hardened the checks for cross-realm IN_PLACE and Shadow DOM sanitization, thanks @​offset & @​Bankde
• Added more test coverage for IN_PLACE and general DOM Clobbering attacks
• Bumped several dependencies where possible

v3.4.5

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v3.4.4: DOMPurify 3.4.4

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• 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

v3.4.3

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v3.4.2: DOMPurify 3.4.2

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• 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

v3.4.1: DOMPurify 3.4.1

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• 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

v3.4.0: DOMPurify 3.4.0

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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
• Fixed an issue with USE_PROFILES prototype pollution, thanks @​christos-eth
• Fixed an issue leading to possible mXSS via Re-Contextualization, thanks @​researchatfluidattacks and others
• Fixed a problem with the type dentition patcher after Node version bump
• Fixed freezing BS runs by reducing the tested browsers array
• Bumped several dependencies where possible
• Added needed files for OpenSSF scorecard checks

Published Advisories are here:
https://github.com/cure53/DOMPurify/security/advisories?state=published

v3.3.3: DOMPurify 3.3.3

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• Fixed an engine requirement for Node 20 which caused hiccups, thanks @​Rotzbua

v3.3.2: DOMPurify 3.3.2

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• Fixed a possible bypass caused by jsdom's faulty raw-text tag parsing, thanks multiple reporters
• Fixed a prototype pollution issue when working with custom elements, thanks @​christos-eth
• Fixed a lenient config parsing in _isValidAttribute, thanks @​christos-eth
• Bumped and removed several dependencies, thanks @​Rotzbua
• Fixed the test suite after bumping dependencies, thanks @​Rotzbua

v3.3.1: DOMPurify 3.3.1

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• Updated ADD_FORBID_CONTENTS setting to extend default list, thanks @​MariusRumpf
• Updated the ESM import syntax to be more correct, thanks @​binhpv

v3.3.0: DOMPurify 3.3.0

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• Added the SVG mask-type attribute to default allow-list, thanks @​prasadrajandran
• Added support for ADD_ATTR and ADD_TAGS to accept functions, thanks @​nelstrom
• Fixed an issue with the slot element being in both SVG and HTML allow-list, thanks @​Wim-Valgaeren

v3.2.7: DOMPurify 3.2.7

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• Added new attributes and elements to default allow-list, thanks @​elrion018
• Added tagName parameter to custom element attributeNameCheck, thanks @​nelstrom
• Added better check for animated href attributes, thanks @​llamakko
• Updated and improved the bundled types, thanks @​ssi02014
• Updated several tests to better align with new browser encoding behaviors
• Improved the handling of potentially risky content inside CDATA elements, thanks @​securityMB & @​terjanq
• Improved the regular expression for raw-text elements to cover textareas, thanks @​securityMB & @​terjanq

v3.2.6: DOMPurify 3.2.6

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• Fixed several typos and removed clutter from our documentation, thanks @​Rotzbua
• Added matrix: as an allowed URI scheme, thanks @​kleinesfilmroellchen
• Added better config hardening against prototype pollution, thanks @​EffectRenan
• Added better handling of attribute removal, thanks @​michalnieruchalski-tiugo
• Added better configuration for aggressive mXSS scrubbing behavior, thanks @​BryanValverdeU
• Removed the script that caused the fake entry CVE-2025-48050

v3.2.5: DOMPurify 3.2.5

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• Added a check to the mXSS detection regex to be more strict, thanks @​masatokinugawa
• Added ESM type imports in source, removes patch function, thanks @​donmccurdy
• Added script to verify various TypeScript configurations, thanks @​reduckted
• Added more modern browsers to the Karma launchers list
• Added Node 23.x to tested runtimes, removed Node 17.x
• Fixed the generation of source maps, thanks @​reduckted
• Fixed an unexpected behavior with ALLOWED_URI_REGEXP using the 'g' flag, thanks @​hhk-png
• Fixed a few typos in the README file

v3.2.4: DOMPurify 3.2.4

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• Fixed a conditional and config dependent mXSS-style bypass reported by @​nsysean
• Added a new feature to allow specific hook removal, thanks @​davecardwell
• Added purify.js and purify.min.js to exports, thanks @​Aetherinox
• Added better logic in case no window object is president, thanks @​yehuya
• Updated some dependencies called out by dependabot
• Updated license files etc to show the correct year

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