What is the CVSS score of CVE-2025-52564?

CVE-2025-52564 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of PHP are affected by CVE-2025-52564?

Organizations using Chamilo should be aware of moderate risk from CVE-2025-52564 rated CVSS 6.1. Exploitation could compromise the security of affected deployments.. A patch is available.

How to fix or mitigate CVE-2025-52564?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

PHP CVE-2025-52564

MEDIUM

Basic XSS (CWE-80)

2026-03-02 security-advisories@github.com

PHP Chamilo Lms

6.1

CVSS 3.1

CVSS VectorNVD

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 - 18:21 nvd

Patch available

CVE Published

Mar 02, 2026 - 16:16 nvd

MEDIUM 6.1

DescriptionNVD

Chamilo is a learning management system. Prior to version 1.11.30, the open parameter of help.php fails to properly sanitize user input. This allows an attacker to inject arbitrary HTML, such as underlined text, via a crafted URL. This issue has been patched in version 1.11.30.

AnalysisAI

Chamilo is a learning management system. Prior to version 1.11.30, the open parameter of help.php fails to properly sanitize user input. [CVSS 6.1 MEDIUM]

Technical ContextAI

Classified as CWE-80 (Basic XSS). Affects Chamilo Lms. Chamilo is a learning management system. Prior to version 1.11.30, the open parameter of help.php fails to properly sanitize user input. This allows an attacker to inject arbitrary HTML, such as underlined text, via a crafted URL. This issue has been patched in version 1.11.30.

RemediationAI

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.

CVE-2025-52564 vulnerability details – vuln.today

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