CVE-2026-104473: Yeswiki

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

YesWiki before 4.5.3 contains multiple reflected cross-site scripting vulnerabilities that allow remote attackers to inject JavaScript through unsanitized parameters such as incomingurl, id, file, tags, and template. Attackers can lure authenticated or unauthenticated users into opening crafted links to hijack sessions and trigger authenticated requests against backend functionality.

Affected products

• Yeswiki Yeswiki: before 4.5.3 (fixed in 4.5.3)

Published 2026-10-02. Last modified 2026-10-08.