admin/user_import.php in Chamilo 1.11.x reads XML data without disabling the ability to load external entities.
https://www.php.net/manual/en/function.libxml-disable-entity-loader.php
https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-58-2021-05-12-High-impact-very-low-risk-LFIRCE-vulnerability-in-users-import
https://github.com/chamilo/chamilo-lms/commit/e71437c8de809044ba3ae1b181d70857c050a3e9
https://github.com/andrejspuler/writeups/blob/main/chamilo-lms/README.md#authenticated-rcelfi-in-user-import-via-xml-external-entity---cve-2021-32925
Source: Mitre, NVD
Published: 2021-05-13
Updated: 2024-11-21
Base Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:P
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
EPSS: 0.00539