CVE-2026-18372

CSS injection in M-Files Web

Published Aug 19, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
CSS injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated vault administrator to inject arbitrary CSS, affecting the web user interface displayed to other vault users.

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
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared M-files Corporation
M-files Corporation m-files Web
Vendors & Products M-files Corporation
M-files Corporation m-files Web
Type Values Removed Values Added
Description CSS injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated vault administrator to inject arbitrary CSS, affecting the web user interface displayed to other vault users.
Title CSS injection in M-Files Web
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
M-Files Corporation
Published
Updated
Aug 20, 2026, 3:26 PM
Reserved
Jul 30, 2026, 10:05 AM
Status
Deferred
Published
Aug 19, 2026, 12:17 PM
Modified
Oct 22, 2026, 8:09 AM