Vulnerability Details CVE-2026-34598
YesWiki is a wiki system written in PHP. Prior to version 4.6.0, a stored and blind XSS vulnerability exists in the form title field. A malicious attacker can inject JavaScript without any authentication via a form title that is saved in the backend database. When any user visits that injected page, the JavaScript payload gets executed. This issue has been patched in version 4.6.0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 22.5%
CVSS Severity