CVE-2026-33193: Docmost

Medium severity, CVSS 4.6. EPSS: 0.2% chance of exploitation in the next 30 days.

Docmost is open-source collaborative wiki and documentation software. Versions prior to 0.70.0 are vulnerable to a stored cross-site scripting (XSS) attack due to improper handling of MIME type spoofing (GHSL-2026-052). An attacker could exploit this flaw to inject malicious scripts, potentially compromising the security of users and data. Version 0.70.0 contains a patch.

Affected products

• Docmost Docmost: before 0.70.0 (fixed in 0.70.0)

Published 2026-04-14. Last modified 2026-07-24.