CVE-2022-4862: XSS vulnerability in M-Files Web

Severity: high (CVSS 7.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-06 · updated 2026-06-17
Weakness: CWE-200

Description

Rendering of HTML provided by another authenticated user is possible in browser on M-Files Web before 22.12.12140.3. This allows the content to steal user sensitive information. This issue affects M-Files New Web: before 22.12.12140.3.

Affected products

M-Files Corporation M-Files Server: before 22.12.12140.3 — fixed in 22.12.12140.3

How to fix

Upgrade to a fixed version: M-Files Corporation M-Files Server 22.12.12140.3. Check the vendor advisory for mitigations.

References

https://empower.m-files.com/security-advisories/CVE-2022-4862
https://product.m-files.com/security-advisories/cve-2022-4862/
https://www.m-files.com/about/trust-center/security-advisories/cve-2022-4862/
https://www.m-files.com/about/trust-center/security-advisories/cve-2022-4862/

Get alerted when CVE-2022-4862 or the next vulnerability affects your stack