Medium 6.4Published Oct 25, 2026

CVE-2026-116206YesWiki 4.2.0 before 4.7.0 Stored XSS via Comment Raw-HTML Syntax

Updated under an hour ago (Oct 27, 2026, 10:40 PM ET)

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It affects yeswiki. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for yeswiki

Exploited in the last 30 days

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.

CVSS: 6.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 25, 2026
First seen by InfoSec Signals: Oct 25, 2026

Affected products

Affected products

YesWiki yeswiki yeswiki:yeswiki (from the name)	from 4.2.0 before 4.7.0; 4.7.0 not affected	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.