CVE-2026-18372 - Vulnerability Details - OpenCVE

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.

Published: 2026-08-19

Score: 4.8 Medium

EPSS: n/a

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

M-Files Corporation

M-Files Web

unaffected

Version	Status	Constraints
`0`	affected	< 26.8.16330.2

No data.

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

No advisories yet.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://empower.m-files.com/security-advisories/CVE-2026-18372

History

Wed, 19 Aug 2026 12:00:00 +0000

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		https://empower.m-files.com/security-advisories/CVE-2026-18372
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'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: M-Files Corporation

Published: 2026-08-19T11:47:07.591Z

Updated: 2026-08-19T11:47:07.591Z

Reserved: 2026-07-30T10:05:36.954Z

Link: CVE-2026-18372

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-08-19T12:17:17.043

Modified: 2026-08-19T12:17:17.043

Link: CVE-2026-18372

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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