What is the CVSS score of CVE-2025-50186?

CVE-2025-50186 has a CVSS 3.1 base score of 4.8 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Chamilo Lms are affected by CVE-2025-50186?

Organizations using Chamilo should be aware of moderate risk from CVE-2025-50186, a cross-site scripting vulnerability rated CVSS 4.8.. A patch is available.

Is there a public PoC exploit available for CVE-2025-50186?

Yes, a public proof-of-concept exploit is available for CVE-2025-50186. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-50186?

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

Chamilo Lms CVE-2025-50186

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

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

XSS Chamilo Lms

4.8

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

4.8 MEDIUM

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Mar 03, 2026 - 19:12 vuln.today

Public exploit code

Patch released

Mar 03, 2026 - 19:12 nvd

Patch available

CVE Published

Mar 02, 2026 - 15:16 nvd

MEDIUM 4.8

DescriptionGitHub Advisory

Chamilo is a learning management system. Prior to version 1.11.30, a stored cross-site scripting (XSS) vulnerability exists due to insufficient sanitization of CSV filenames. An attacker can upload a maliciously named CSV file (e.g., <img src=q onerror=prompt(8)>.csv) that leads to JavaScript execution when viewed by administrators or users with access to import logs or file views. This issue has been patched in version 1.11.30.

AnalysisAI

Chamilo is a learning management system. Prior to version 1.11.30, a stored cross-site scripting (XSS) vulnerability exists due to insufficient sanitization of CSV filenames. [CVSS 4.8 MEDIUM]

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Chamilo Lms. Chamilo is a learning management system. Prior to version 1.11.30, a stored cross-site scripting (XSS) vulnerability exists due to insufficient sanitization of CSV filenames. An attacker can upload a maliciously named CSV file (e.g., <img src=q onerror=prompt(8)>.csv) that leads to JavaScript execution when viewed by administrators or users with access to import logs or file views. 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-2025-50186 vulnerability details – vuln.today

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