CVE-2026-83612

xmldom is a pure JavaScript DOMParser and XMLSerializer module. In versions from 0.9.0-beta.1 up to the fix in 0.9.12 , HTML-mode parsing via DOMParser.parseFromString() mishandles mixed-case closing tags for raw-text elements (script, style, textarea, title). The root cause is that parseHtmlSpec...

Incorrect handling of embedded SVG and MathML leads to mutation XSS after removal

Affected versions of this crate did not correctly strip namespace-incompatible tags in certain situations, causing it to incorrectly account for differences between HTML, SVG, and MathML. This vulnerability only has an effect when the svg or math tag is allowed, because it relies on a tag being...