AIKIDO-2026-588106
rhukster/dom-sanitizer is vulnerable to Cross-Site Scripting (XSS)
61
CVE Score
Medium
Cross-Site Scripting (XSS)
TL;DR
dom-sanitizer lets animateTransform, animateColor, and animateMotion elements pass its SVG/HTML allow-list without checking their attributeName target. On Safari/WebKit, attributeName can target href, so the animation recreates a javascript: URL on an anchor even after the static href value was stripped. Activating the animated link executes attacker-controlled JavaScript in the victim's browser. The fix rejects animation elements whose target attribute is a URL, event-handler, style, or namespace attribute.
How do I fix this?
Upgrade the rhukster/dom-sanitizer library to the patch version.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you render the sanitized SVG in Safari or WebKit, where animateTransform can retarget the href attribute.
Package
Versions
1.0.0 - 1.0.16
Fixed in 1.0.17Background info
rhukster/dom-sanitizer is vulnerable to Cross-Site Scripting (XSS) in versions 1.0.0 - 1.0.16.
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