CVE-2025-52902

HIGH

filebrowser < 2.33.7 - Stored Cross-Site Scripting in Markdown Preview

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 7.6
EPSS 0.0027
EPSS Percentile 17.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-80 CWE-79
Status published
Products (3)
filebrowser/filebrowser < 2.33.7
filebrowser/filebrowser 0Go
filebrowser/filebrowser 0 - 2.33.7Go
Published Jun 26, 2025
Tracked Since Feb 18, 2026