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Filebrowser EUVD-2025-19201

| CVE-2025-52902 HIGH
Cross-site Scripting (XSS) (CWE-79)
2025-06-26 security-advisories@github.com GHSA-4wx8-5gm2-2j97
7.6
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
7.6 HIGH
AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
SUSE
HIGH
qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None

Lifecycle Timeline

5
EUVD ID Assigned
Mar 15, 2026 - 23:54 euvd
EUVD-2025-19201
Analysis Generated
Mar 15, 2026 - 23:54 vuln.today
Patch released
Mar 15, 2026 - 23:54 nvd
Patch available
PoC Detected
Jul 10, 2025 - 01:09 vuln.today
Public exploit code
CVE Published
Jun 26, 2025 - 15:15 nvd
HIGH 7.6

DescriptionGitHub Advisory

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.

Analysis

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.

Technical ContextAI

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

RemediationAI

A vendor patch is available — apply it immediately. Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

Vendor StatusVendor

SUSE

Severity: High
Product Status
SUSE Linux Enterprise Server 16.0 Fixed
openSUSE Tumbleweed Fixed

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EUVD-2025-19201 vulnerability details – vuln.today

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