What is the CVSS score of CVE-2025-50196?

CVE-2025-50196 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2025-50196?

Yes, a public proof-of-concept exploit is available for CVE-2025-50196. Prioritise patching immediately. EPSS: 0.5%.

How to fix or mitigate CVE-2025-50196?

Within 24 hours: Identify all Chamilo instances and their current versions; assess exposure by determining if vchamilo plugin is enabled and publicly accessible. Within 7 days: Apply vendor patch to upgrade all Chamilo installations to version 1.11.30 or later; validate patch deployment across all instances. Within 30 days: Conduct vulnerability rescans to confirm remediation; review access logs for indicators of exploitation during the vulnerability window.

Chamilo CVE-2025-50196

HIGH

OS Command Injection (CWE-78)

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

PHP Command Injection Chamilo Lms Chamilo

7.2

CVSS 3.1 · GitHub Advisory

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Vulnerability Assessment

Weakness	CWE CWE-78 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization OS command sanitization, avoid shell exec MITRE ATT&CK 2 techniques across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS 7.2 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: High. User interaction: None. Public exploit/POC available.
Exploit ScenarioDerived	An attacker could exploit this vulnerability to compromise the affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.5% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Chamilo is a learning management system. Prior to version 1.11.30, there is an OS Command Injection vulnerability in /plugin/vchamilo/views/editinstance.php via the POST main_database parameter. [CVSS 7.2 HIGH]

RemediationAI

A vendor patch is available — apply it immediately. Fixed in version 1.11.30.. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Classified as CWE-78 (OS Command Injection). Affects the POST main_database component of Chamilo Lms. Chamilo is a learning management system. Prior to version 1.11.30, there is an OS Command Injection vulnerability in /plugin/vchamilo/views/editinstance.php via the POST main_database parameter. This issue has been patched in version 1.11.30.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 7.2 HIGH

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

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

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

PoC Detected

Mar 03, 2026 - 18:44 vuln.today

Public exploit code

Patch released

Mar 03, 2026 - 18:44 nvd

Patch available

CVE Published

Mar 02, 2026 - 16:16 nvd

HIGH 7.2

DescriptionGitHub Advisory

Executive ViewAI

Why It Matters

Chamilo LMS installations prior to version 1.11.30 contain a critical command injection flaw that allows unauthenticated attackers to execute arbitrary operating system commands on affected servers. Organizations using Chamilo for distance learning or training must immediately patch to prevent potential compromise of student data, course materials, and underlying infrastructure.

Business Impact: High

Compensating Controls

Apply vendor patch. If immediate patching is not feasible: implement network-level access controls to restrict POST requests to /plugin/vchamilo/views/editinstance.php; deploy WAF rules to block requests containing suspicious command injection payloads (backticks, $(), pipe operators) in the main_database parameter; disable the vchamilo plugin if not operationally required; implement strict input validation at the application level to sanitize the main_database parameter.

Threat Intelligence Overview

EPSS Score

0.5%

Top 34% exploitable

Exploit

POC

Public exploit code exists

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC Yes

EPSS 0.5%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +36

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)GitHub Advisory

cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://github.com/chamilo/chamilo-lms/commit/afdbd4bb9a9ea17b7740559dd4e05aa13b16480d PATCH https://github.com/chamilo/chamilo-lms/commit/e343c764493b457c82d1e85b91a3655b093767ed REF https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30

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