CVE-2026-52762
Severity not reportedYesWiki is a wiki system written in PHP.
YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki Bazar contains a stored Server-Side Template Injection (SSTI) vulnerability in the semantic template feature that can be escalated to confirmed Remote Code Execution (RCE). An authenticated administrator can place arbitrary Twig expressions into the Semantic template (Twig) field (bn_sem_template), and that content is later executed server-side when public semantic endpoints are requested. This issue has been patched in version 4.6.6.
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/YesWiki/yeswiki/commit/89462f1577a8a1fe7fcff75e77b5058a74d8047b security-advisories@github.com
- https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6 security-advisories@github.com
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-65p8-9433-jpcp security-advisories@github.com
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-65p8-9433-jpcp 134c704f-9b21-4f2e-91b3-4a467353bcc0
