Formwork < 2.3.11 Stored XSS via Referer Header
Formwork before 2.3.11 contains a stored cross-site scripting vulnerability in visit tracking that records the Referer header host unescaped. Unauthenticated attackers can craft malicious Referer headers to inject markup that executes in administrator browsers when viewing the Statistics panel.
Severity medium: primary CNA CVSS 5.3 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-08-29T13:47:54.007Z. Updated 2026-09-24T14:20:26.937Z.