What is CVE-2026-33193?

CVE-2026-33193 is a medium-severity vulnerability in Docmost, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2026-04-14.

How severe is CVE-2026-33193?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Docmost

CVE-2026-33193

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 e…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (1.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Docmost — versions < 0.70.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/docmost/docmost/security/advisories/GHSA-7cq4-577p-wp6p (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-33193?: CVE-2026-33193 is a medium-severity vulnerability in Docmost, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2026-04-14.
How severe is CVE-2026-33193?: Medium severity. CVSS v3 base score is 4.6 out of 10.