{"id":"CVE-2023-4223","summary":"Chamilo LMS File Upload Functionality Remote Code Execution","details":"Unrestricted file upload in `/main/inc/ajax/document.ajax.php` in Chamilo LMS \u003c= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files.","modified":"2026-08-12T03:51:27.290312Z","published":"2023-11-28T07:18:16.724Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4223.json","cna_assigner":"STAR_Labs","cwe_ids":["CWE-434"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4223.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4223"},{"type":"ADVISORY","url":"https://starlabs.sg/advisories/23/23-4223"},{"type":"ADVISORY","url":"https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-129-2023-09-04-Critical-impact-Moderate-risk-Authenticated-users-may-gain-unauthenticated-RCE-CVE-2023-4223CVE-2023-4224CVE-2023-4225CVE-2023-4226"},{"type":"FIX","url":"https://github.com/chamilo/chamilo-lms/commit/3d74fb7d99bd2e287730552f7a66562417a55047"},{"type":"FIX","url":"https://github.com/chamilo/chamilo-lms/commit/6f32625a012d5de2dfe8edbccb4ed14a85e310d4"},{"type":"FIX","url":"https://github.com/chamilo/chamilo-lms/commit/e864127a440c2cab0eb62c113a04e2e904543a1f"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/chamilo/chamilo-lms","events":[{"introduced":"0"},{"fixed":"3d74fb7d99bd2e287730552f7a66562417a55047"},{"fixed":"6f32625a012d5de2dfe8edbccb4ed14a85e310d4"},{"fixed":"e864127a440c2cab0eb62c113a04e2e904543a1f"}],"database_specific":{"cpe":"cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.11.24"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v1.11.24","v1.11.22","v1.11.22-beta.2","v1.11.22-beta.1","v1.11.20-beta.1","v1.11.20","v1.11.18","v1.11.14","v1.11.14-beta.1","v1.11.12","v1.11.10","v1.11.6","v1.11.6-alpha.1","v1.9.8","CHAMILO_1_9_6_STABLE","CHAMILO_1_9_6_RC_2","CHAMILO_1_9_6_RC_1","CHAMILO_1_9_4_STABLE","CHAMILO_1_9_4_RC_1","CHAMILO_1_9_4_ALPHA_1","CHAMILO_1_9_2_STABLE_QUARTER","CHAMILO_1_9_2_STABLE","CHAMILO_1_9_0_STABLE_3","CHAMILO_1_9_0_STABLE_2","CHAMILO_1_9_0_RC_1","CHAMILO_1_8_8_4_STABLE","CHAMILO_1_9_0_ALPHA_4","CHAMILO_1_9_0_ALPHA_2","CHAMILO_1_9_0_ALPHA_1","CHAMILO_1_9_0_PRE_ALPHA","CHAMILO_1_8_8.3_STABLE_4","CHAMILO_1_8_8_2_STABLE_2","CHAMILO_1_8_8_2_STABLE","CHAMILO_1_8_8_2_RC_1","CHAMILO_1_8_8_BETA_2","CHAMILO_1_8_8_BETA_1","CHAMILO_1_8_8_ALPHA","CHAMILO_1_8_7_STABLE_BIS","CHAMILO_1_8_7_STABLE","CHAMILO_1_8_7_RC2","CHAMILO_1_8_7_RC_1","CHAMILO_1_8_7_ALPHA_2","CHAMILO_1_8_7_ALPHA_1","v1.8.6.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4223.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}