CVE-2026-33193

Docmost vulnerable to stored XSS via MIME type spoofing

Published Apr 14, 2026 CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:docmost:docmost:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Docmost
Docmost docmost
Vendors & Products Docmost
Docmost docmost
Type Values Removed Values Added
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.
Title Docmost vulnerable to stored XSS via MIME type spoofing
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Apr 16, 2026, 1:51 PM
Reserved
Mar 17, 2026, 10:16 PM
Status
Analyzed
Published
Apr 14, 2026, 10:16 PM
Modified
Jul 24, 2026, 11:10 PM