CVE-2026-104451: Yeswiki

Medium severity, CVSS 4.3. EPSS: 0.1% chance of exploitation in the next 30 days.

YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in RevisionsHandler that allows attackers to restore old page revisions through GET requests lacking CSRF token validation. Attackers can lure write-capable users into a top-level navigation with the restoreRevisionId parameter, silently overwriting current page content with stale or vandalized revisions.

Affected products

• Yeswiki Yeswiki: before 4.6.7 (fixed in 4.6.7)

Published 2026-10-02. Last modified 2026-10-02.