Description
Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, an Insecure Direct Object Reference (IDOR) vulnerability in the gradebook result view page allows any authenticated teacher to delete any student's grade result across the entire platform by manipulating the delete_mark or resultdelete GET parameters. No ownership or course-scope verification is performed. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.
Affected products
chamilo: chamilo lms
References4
- github.com/chamilo/chamilo-lms/security/advisories/GHSA-rqpg-p9… ExploitVendor Advisory
- github.com/chamilo/chamilo-lms/security/advisories/GHSA-rqpg-p9… ExploitVendor Advisory
- github.com/chamilo/chamilo-lms/commit/3b03306d1a0301a81b9284e86… Patch
- github.com/chamilo/chamilo-lms/commit/740f5a6e192a52a3adde3c324… Patch
Metrics
- CVSS 3.1
-
7.1
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L - EPSS — exploit probability
- 0% percentile: 22 · as of 12 November 2026
- CWE
- CWE-476CWE-639
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.