CSS Injection Vulnerability in M-Files Web by M-Files Corporation
CVE-2026-18372

4.8MEDIUM

Key Information:

Vendor

M-files Corporation

Status
M-files Web
Vendor
CVE Published:
19 August 2026

What is CVE-2026-18372?

A CSS injection vulnerability has been identified in M-Files Web prior to version 26.8.16330.2, allowing authenticated vault administrators to inject arbitrary CSS. This exploitation can affect the web user interface viewed by other vault users, potentially leading to a range of security implications including manipulation of the UI and user data exposure.

Affected Version(s)

M-Files Web 0 < 26.8.16330.2

References

https://empower.m-files.com/security-advisories/CVE-2026-...
vendor-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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