CVE-2026-116206 Details
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.
A stored cross-site scripting vulnerability has been identified in YesWiki versions 4.2.0 prior to 4.7.0. This vulnerability allows authenticated users to inject scripts into comment bodies using the Wakka raw-HTML syntax. Comments are submitted through the /api/comments endpoint and are rendered unescaped via the Twig raw filter, executing JavaScript in the sessions of administrators and visitors.
YesWiki users can update to version 4.7.0, where this vulnerability has been patched.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 25, 2026CISA-ADP
Assessed Oct 29, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wq96-vjjh-hfc6 | CISA-ADP | AdvisoryExploitRemedyTechnical AnalysisVendor |
| https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wq96-vjjh-hfc6 | [email protected] | AdvisoryExploitRemedyTechnical AnalysisVendor |
| https://www.vulncheck.com/advisories/yeswiki-4.2.0-before-4.7.0-stored-xss-via-comment-raw-html-syntax | [email protected] | Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| YesWiki | >= 4.2.0, < 4.7.0 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 29, 2026 | CVE Modified | CISA-ADP |
| Oct 25, 2026 | New CVE Received | [email protected] |
Volerion