Input Validation and Logic

Every one of the 5 is a mark on the map. Named now: 1 to 5, most at risk first.

1. A remote code execution vulnerability exists in Chamilo through 1.11.14 due to improper input sanitization of a parameter used for file uploads, and improper file-extension filter…CVE-2021-31933Chamilo · CVSS 7.2 · 14% likely

   CWE-706

2. Chamilo LMS Htaccess File Upload Security BypassCVE-2023-3545Chamilo · CVSS 9.8 · 2.4% likely

   CWE-178

3. Chamilo before 1.8.8.6 does not adequately handle user supplied input by the index.php script, which could allow remote attackers to delete arbitrary files.CVE-2012-4030Chamilo · 1.3% likely

   CWE-20

4. Chamilo LMS v1.11.13 lacks validation on the user modification form, allowing attackers to escalate privileges to Platform Admin.CVE-2022-27421Chamilo · 1.0% likely

   CWE-20

5. Chamilo: Friend Request Workflow Bypass - Unauthorized Friend Addition and ID Validation BypassCVE-2025-52469chamilo · CVSS 7.1 · 0.3% likely

   CWE-841

exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it

Zoom in on the map and the dots under the middle of it are named where they are.