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[ CVE-2026-113654 · Published 20 Oct 2026 ]

ApostropheCMS sanitize-html: nonTextTags discard region ends early on an implied close, letting <noscript> content render

CVSS 5.3 EPSS <1%Fix available

[ Description ]Official description

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Prior to sanitize-html 2.18.0, a non-default nonTextTags configuration that includes noscript can end its discard region early when htmlparser2 emits an implied ancestor close inside noscript. Because scripting-enabled browsers treat noscript content as raw text while the parser does not model that mode, content intended to remain inert can survive sanitization and render; the issue does not generalize to every default nonTextTags element. This issue is fixed in sanitize-html 2.18.0.

[ Fixes ]Fixes and patches

  • sanitize-html 2.18.0Fixed version · GitHub Advisories · npm package sanitize-html: upgrade to 2.18.0 or later (affected < 2.18.0)

[ Packages ]Affected open-source packages

[ References ]References