CVE-2026-18372 | BDVDB-2026-362292 Detail

M-FilesM-Files Web

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.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

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

References#

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

Exploit#

No public exploit known

History#

Version 12026-08-19Record published in the CVE List.
Version 22026-08-20Most recent update recorded in the CVE List.

Published

Published: 2026-08-19
Last modified: 2026-08-20

Vendor information

Vendor: M-Files
Product: M-Files Web

All M-Files vulnerabilities

Score

4.8 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 37.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Cross-Site Scripting

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 26.8.16330.2
Fixed
26.8.16330.2

Scoring System

CVSS v4.0

4.8 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	High
User Interaction	Passive
Vulnerable System Confidentiality	None
Vulnerable System Integrity	Low
Vulnerable System Availability	None
Subsequent System Confidentiality	None
Subsequent System Integrity	Low
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).