What’s Vulnerable › Vulnerabilities

CVE-2023-4221: Chamilo LMS Learning Path PPT2LP Command Injection Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-11-28 · updated 2026-06-17
• Weakness: CWE-78

Description

Command injection in `main/lp/openoffice_presentation.class.php` in Chamilo LMS <= v1.11.24 allows users permitted to upload Learning Paths to obtain remote code execution via improper neutralisation of special characters.

Affected products

• chamilo-lms: through 1.11.24

References

• https://github.com/chamilo/chamilo-lms/commit/841a07396fed0ef27c5db13a1b700eac02754fc7
• https://github.com/chamilo/chamilo-lms/commit/ed72914608d2a07ee2eb587c1a654480d08201db
• https://starlabs.sg/advisories/23/23-4221
• https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-128-2023-09-04-Critical-impact-Moderate-risk-Authenticated-users-may-gain-unauthenticated-RCE-CVE-2023-4221CVE-2023-4222
• https://github.com/chamilo/chamilo-lms/commit/841a07396fed0ef27c5db13a1b700eac02754fc7
• https://github.com/chamilo/chamilo-lms/commit/ed72914608d2a07ee2eb587c1a654480d08201db
• https://starlabs.sg/advisories/23/23-4221
• https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-128-2023-09-04-Critical-impact-Moderate-risk-Authenticated-users-may-gain-unauthenticated-RCE-CVE-2023-4221CVE-2023-4222

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