CVE-2025-46349: Yeswiki

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki is vulnerable to reflected XSS in the file upload form. This vulnerability allows any malicious unauthenticated user to create a link that can be clicked on by the victim to perform arbitrary actions. 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.