How to fix CVE-2025-52475?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is PHP affected by CVE-2025-52475?

Organizations using Chamilo should be aware of moderate risk from CVE-2025-52475, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

CVE-2025-52475

MEDIUM

2026-03-02 [email protected]

6.1

CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

Patch Released

Mar 03, 2026 - 18:22 nvd

Patch available

CVE Published

Mar 02, 2026 - 16:16 nvd

MEDIUM 6.1

Description

Chamilo is a learning management system. Prior to version 1.11.30, there is a reflected cross-site scripting (XSS) vulnerability in the admin/user_list.php endpoint. The keyword_inactive parameter is not properly sanitized, allowing attackers to inject malicious JavaScript through a crafted URL. This issue has been patched in version 1.11.30.

Analysis

Chamilo is a learning management system. Prior to version 1.11.30, there is a reflected cross-site scripting (XSS) vulnerability in the admin/user_list.php endpoint. [CVSS 6.1 MEDIUM]

Technical Context

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Chamilo Lms. Chamilo is a learning management system. Prior to version 1.11.30, there is a reflected cross-site scripting (XSS) vulnerability in the admin/user_list.php endpoint. The keyword_inactive parameter is not properly sanitized, allowing attackers to inject malicious JavaScript through a crafted URL. This issue has been patched in version 1.11.30.

Affected Products

Vendor: Chamilo. Product: Chamilo Lms. Versions: up to 1.11.30.

Remediation

A vendor patch is available — apply it immediately. Fixed in version 1.11.30.. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +30

POC: 0

CVE-2025-52475 vulnerability details – vuln.today

Back

CVE-2025-52475

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

CVE-2025-52475

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

External POC / Exploit Code