Description
In HTML mode (text/html), a raw-text element (script, style, textarea, title) whose closing tag differs in case from its opening tag (e.g.
Recommendation
Update the @xmldom/xmldom package to the latest compatible version. Followings are version details:
- Affected version(s): >= 0.9.0-beta.1, <= 0.9.11
- Patched version(s): 0.9.12
References
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Start a free scanRelated Issues
- Marko: XSS via case-insensitive script/style closing tag bypass in runtime HTML escaping - CVE-2026-41591
- Marko: XSS via case-insensitive script/style closing tag bypass in runtime HTML escaping - marko - CVE-2026-41591
- 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
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See something that needs correcting? Let us knowUpdated September 08, 2026