Preliminary research
DOMPurify bypass via SMIL animateTransform on Safari
AI-collected research leads through 3 November 2026, including a November–October–September missed-article review and a targeted multilingual search alongside earlier community-source sweeps. Unranked, incomplete, not community-vetted, and subject to change.
Browsers now escape < and > in attributes during serialization, which broke nearly every DOMPurify mutation-XSS bypass. This one goes at SMIL instead: DOMPurify's default SMIL configuration combined with Safari's implementation of the animateTransform tag yields XSS against DOMPurify 3.2.6 and earlier.
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