CVE-2025-52902

Public Exploit
File Browser has Stored Cross-Site Scripting vulnerability

Description

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. The Markdown preview function of File Browser prior to v2.33.7 is vulnerable to Stored Cross-Site-Scripting (XSS). Any JavaScript code that is part of a Markdown file uploaded by a user will be executed by the browser. Version 2.33.7 contains a fix for the issue.

Category

7.6
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory github.com
Affected: filebrowser filebrowser
Published at:
Updated at:

References

Link Tags
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-4wx8-5gm2-2j97 vendor advisory exploit
https://github.com/filebrowser/filebrowser/commit/f19943a42e8e092e811dffbe9f4623dac36f1f0d patch

Frequently Asked Questions

What is the severity of CVE-2025-52902?
CVE-2025-52902 has been scored as a high severity vulnerability.
How to fix CVE-2025-52902?
To fix CVE-2025-52902, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-52902 being actively exploited in the wild?
It is possible that CVE-2025-52902 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-52902?
CVE-2025-52902 affects filebrowser filebrowser.
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