CVE-2026-18371 - Vulnerability Details - OpenCVE

Description

HTML injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated attacker to affect web user interface contents displayed to other users.

Published: 2026-08-19

Score: 5.1 Medium

EPSS: n/a

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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 vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

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-2026-18371

History

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

Type	Values Removed	Values Added
Description		HTML injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated attacker to affect web user interface contents displayed to other users.
Title		HTML injection in M-Files Web
Weaknesses		CWE-79
References		https://empower.m-files.com/security-advisories/CVE-2026-18371
Metrics		cvssV4_0 `{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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: 2026-08-19T11:46:55.089Z

Updated: 2026-08-19T11:46:55.089Z

Reserved: 2026-07-30T10:05:35.301Z

Link: CVE-2026-18371

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-08-19T12:17:16.900

Modified: 2026-08-19T12:17:16.900

Link: CVE-2026-18371

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

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