High severity · published Nov 28, 2023
CVE-2023-4221
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…
8.8
CVSS
3.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.5% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
Chamilo Lms · Chamilo
through 1.11.24 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4221
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4221
Patch
https://github.com/chamilo/chamilo-lms/commit/841a07396fed0ef27c5db13a1b700eac02754fc7
Patch
https://github.com/chamilo/chamilo-lms/commit/ed72914608d2a07ee2eb587c1a654480d08201db
Exploit
https://starlabs.sg/advisories/23/23-4221
Issue Tracking
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
More from Chamilo Lms
9.8
CVE-2026-45140
Chamilo LMS CStudio upload flow allows unauthenticated remote code execution
9.8
CVE-2026-33707
Weak Password Recovery Mechanism for Forgotten Password in chamilo/chamilo-lms
9.8
CVE-2026-33698
Chamilo LMS affected by unauthenticated RCE in main/install folder
9.8
CVE-2026-28430
Chamilo LMS Vulnerable to Unauthenticated SQL Injection in chamiko-lms model.ajax.php
9.8
CVE-2025-52998
Chamilo is a learning management system