Is this vulnerability remotely exploitable?

Yes. Once an attacker has managed to inject malicious PHP into the platform settings, exploitation occurs when any user accesses the /platform-config/list endpoint, which can typically be reached over the network without authentication. The actual code execution happens server-side as part of handling that request.

What level of access does an attacker need to exploit it?

The attacker needs the ability to modify platform configuration settings that are processed by decodeSettingArray(). In many deployments, this corresponds to administrator-level access within the LMS, though such access may be obtained via another vulnerability or compromised credentials.

What is the safest general fix pattern?

The most robust fix is to remove all use of eval() and similar dynamic evaluation mechanisms from configuration parsing, replacing them with structured data formats parsed by non-executing functions and guarded by strict validation rules. Configuration values should never be treated as executable PHP.

Severity:

HIGH RISK

(8.8)

Eval Injection (CWE-95) in Chamilo LMS Platform Configuration Parsing

CVE-2026-33618

Published:

Apr 10, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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CWE-94

HIGH RISK

HIGH

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PHP Code Injection via File Upload (CWE-94) in Aero CMS Admin Post Creation

Remote Code Execution by authenticated users via malicious file upload

May 10, 2026

CWE-94

HIGH RISK

HIGH

(8.8)

Code Injection (CWE-94) via Module Parameters in Evolution CMS

Remote Code Execution by Authenticated Users

May 10, 2026

Vulnerability Type

Category:

Code Injection

CWE:

CWE-95

Impact:

Remote Code Execution

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Code Injection

CWE:

CWE-95

Impact:

Remote Code Execution

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

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Eval Injection (CWE-95) in Chamilo LMS Platform Configuration Parsing

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.8)

PHP Code Injection via File Upload (CWE-94) in Aero CMS Admin Post Creation

HIGH RISK

HIGH

(8.8)

Code Injection (CWE-94) via Module Parameters in Evolution CMS

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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