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CVE-2026-25543

MEDIUM

6.1

Beschreibung

HtmlSanitizer is a .NET library for cleaning HTML fragments and documents from constructs that can lead to XSS attacks. Prior to versions 9.0.892 and 9.1.893-beta, if the template tag is allowed, its contents are not sanitized. The template tag is a special tag that does not usually render its contents, unless the shadowrootmode attribute is set to open or closed. This issue has been patched in versions 9.0.892 and 9.1.893-beta.

CVE Details

CVSS v3.1 Bewertung6.1

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionREQUIRED

Veroffentlicht2/4/2026

Zuletzt geandert2/24/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

htmlsanitizer_project:htmlsanitizer

Schwachen (CWE)

CWE-116CWE-79

Referenzen

https://github.com/mganss/HtmlSanitizer/commit/0ac53dca30ddad963f2b243669a5066933d82b81(security-advisories@github.com)

https://github.com/mganss/HtmlSanitizer/security/advisories/GHSA-j92c-7v7g-gj3f(security-advisories@github.com)

https://www.nuget.org/packages/HtmlSanitizer/9.0.892(security-advisories@github.com)

https://www.nuget.org/packages/HtmlSanitizer/9.1.893-beta(security-advisories@github.com)

IOC Korrelationen

Keine Korrelationen erfasst

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