GHSA-9wjq-cp2p-hrgf (loofah): SVG `href` attribute bypasses local-reference restriction in Loofah

21-Jul-2026 1
Originally appeared on RubySec.## Summary Loofah's HTML5 sanitizer restricted only the xlink:href attribute on certain SVG elements to local, same-document references. Browsers also accept a plain href attribute as an alternative to the deprecated xlink:href per the SVG 2 spec...
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