CVE-2026-33193

MEDIUM

Docmost vulnerable to stored XSS via MIME type spoofing

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 4.6
EPSS 0.0019
EPSS Percentile 8.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
docmost/docmost < 0.70.0 (2 CPE variants)
Published Apr 14, 2026
Tracked Since Apr 15, 2026