CVE-2023-5524 HIGH

CVE-2023-5524: M-Files Web Companion allows Remote Code Execution for some filetypes

Vendor M-Files
Product Web Companion
Weakness CWE-434 · Unrestricted file upload
Published October 20, 2023
Last update February 23, 2026

CVSS base score

8.2/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Insufficient blacklisting in M-Files Web Companion before release version 23.10 and LTS Service Release Versions before 23.8 LTS SR1 allows Remote Code Execution via specific file types

Key dates

02Disclosure timeline

October 20, 2023 CVE published
February 23, 2026 Record updated

Related vulnerabilities

04Related CVE