CVE-2025-52902
High
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.
SeverityHigh
CVSS7.6
Exploit probability—
ProductFilebrowser
PublishedJun 26, 2025
First seenJun 26, 2025
Weakness typeCWE-79Cross-site scripting (XSS)CWE-80CWE-80
How to fix
Update
- filebrowser filebrowser2.33.7 or later
- github.com/filebrowser/filebrowser/v22.33.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| filebrowser filebrowser | v < 2.33.7 | 2.33.7 |
| github.com/filebrowser/filebrowser/v2Go | v < 2.33.7 | 2.33.7 |
| github.com/filebrowser/filebrowserGo | v ≤ 1.11.0, No range specified | — |
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