CVE-2026-116206

MEDIUM 6.4

YesWiki 4.2.0 before 4.7.0 Stored XSS via Comment Raw-HTML Syntax

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

YesWiki from 4.2.0 before 4.7.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject script into comment bodies using the wakka raw-HTML syntax. Attackers can post comments via the /api/comments endpoint that render unescaped through the Twig raw filter, executing JavaScript in administrators' and visitors' sessions.

CWE	CWE-79
Vendor	yeswiki
Product	yeswiki
Published	Oct 25, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

YesWiki / yeswiki

4.2.0 < 4.7.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wq96-vjjh-hfc6 vulncheck.com: https://www.vulncheck.com/advisories/yeswiki-4.2.0-before-4.7.0-stored-xss-via-comment-raw-html-syntax

Credits

🔍 manus-pi 🔍 manus-use