CVE-2025-46350: Yeswiki

Medium severity, CVSS 4.8. EPSS: 0.3% chance of exploitation in the next 30 days.

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, an attacker can use a reflected cross-site scripting attack to steal cookies from an authenticated user by having them click on a malicious link. Stolen cookies allow the attacker to take over the user’s session. This vulnerability may also allow attackers to deface the website or embed malicious content. This issue has been patched in version 4.5.4.

Affected products

• Yeswiki Yeswiki: before 4.5.4 (fixed in 4.5.4)

Published 2025-04-29. Last modified 2026-06-17.