Description
xmldom’s parser silently accepts a not-well-formed end tag whose valid name is followed by trailing content — e.g. </a⏎junk>.
Recommendation
No fix is available yet. Followings are affected versions:
- <= 0.6.0
References
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Start a free scanRelated Issues
- xmldom: Parser silently accepts a not-well-formed end tag whose name is followed by a line break and trailing content - CVE-2026-83611
- xmldom: End-tag Whitespace-Trim Regex ReDoS — quadratic backtracking in the 0.8.x end-tag parser - CVE-2026-83619
- xmldom: requireWellFormed element/attribute name validation is bypassable via an embedded line terminator - CVE-2026-83617
- xmldom: Creation-time XML Name/QName validation is bypassable via an embedded line terminator, allowing injection on the - CVE-2026-83609
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See something that needs correcting? Let us knowUpdated September 08, 2026