CVE-2026-116206
YesWiki 4.2.0 before 4.7.0 Stored XSS via Comment Raw-HTML Syntax
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 25, 2026
- Updated
- Oct 29, 2026
- Reserved
- Oct 25, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N | VulnCheck |
| 3.1 | 6.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
yeswikiYesWiki |
|
References
- GitHub Security Advisory (GHSA-wq96-vjjh-hfc6)vendor-advisory
- VulnCheck Advisory: YesWiki 4.2.0 before 4.7.0 Stored XSS via Comment Raw-HTML Syntaxthird-party-advisory
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