Stored Cross-Site Scripting Vulnerability in File Browser by File Browser
CVE-2025-52902

5.4MEDIUM

Key Information:

Vendor

Filebrowser

Status
Filebrowser
Vendor
CVE Published:
26 June 2025

What is CVE-2025-52902?

The File Browser application, used for file management within specified directories, has a vulnerability in its Markdown preview feature that can lead to Stored Cross-Site Scripting (XSS) attacks. If an attacker uploads a Markdown file containing JavaScript code, that code will be executed in the browser, compromising the security of end users. This vulnerability affects all versions prior to 2.33.7, which addresses the issue and enhances the application's overall security. Users are advised to upgrade to the latest version to mitigate any risks associated with this vulnerability.

Affected Version(s)

filebrowser < 2.33.7

References

https://github.com/filebrowser/filebrowser/security/advis...
x_refsource_CONFIRM
https://github.com/filebrowser/filebrowser/commit/f19943a...
x_refsource_MISC

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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