{"id":"CVE-2023-4226","aliases":["EUVD-2023-54099","GHSA-wvpw-59rx-prc9"],"status":"published","title":"Chamilo LMS File Upload Functionality Remote Code Execution","description":"Unrestricted file upload in `/main/inc/ajax/work.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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02453,"percentile":0.84515,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-434"],"published":"2023-11-28T07:21:40Z","modified":"2026-10-28T02:31:14Z","exploits":[{"source":"pocgithub","id":"SkyW4r33x/CVE-2023-4226","title":"SkyW4r33x/CVE-2023-4226","date":"2025-05-01","url":"https://github.com/SkyW4r33x/CVE-2023-4226"},{"source":"pocgithub","id":"krishnan-tech/CVE-2023-4226-POC","title":"krishnan-tech/CVE-2023-4226-POC","date":"2024-07-10","url":"https://github.com/krishnan-tech/CVE-2023-4226-POC"}],"products":[{"vendor":"chamilo","product":"chamilo"},{"vendor":"chamilo","product":"chamilo_lms"}],"references":[{"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","tags":["vendor-advisory","x_transferred","Issue Tracking","Vendor Advisory","advisory"]},{"url":"https://starlabs.sg/advisories/23/23-4226","tags":["third-party-advisory","x_transferred","Exploit","Third Party Advisory","advisory"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/6f32625a012d5de2dfe8edbccb4ed14a85e310d4","tags":["patch","x_transferred","Patch","fix"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/f3d62b65ad60d68096c2674d5695339f04de0b8a","tags":["patch","x_transferred","Patch","fix"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/e864127a440c2cab0eb62c113a04e2e904543a1f","tags":["patch","x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4226","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wvpw-59rx-prc9"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4226.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-4226","title":"Chamilo LMS File Upload Functionality Remote Code Execution","description":"Unrestricted file upload in `/main/inc/ajax/work.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.","status":"published","published":"2023-11-28T07:21:40.906Z","modified":"2024-08-02T07:17:12.285Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54099","description":"Unrestricted file upload in `/main/inc/ajax/work.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.","status":"published","published":"2023-11-28T07:21:40Z","modified":"2024-08-02T07:17:12Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:50:12.64889Z"}],"ghsa":[{"id":"GHSA-wvpw-59rx-prc9","title":"Unrestricted file upload in `/main/inc/ajax/work.ajax.php` in Chamilo LMS \u003c= v1.11.24 allows...","description":"Unrestricted file upload in `/main/inc/ajax/work.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.","status":"published","published":"2023-11-28T09:30:27Z","modified":"2023-11-28T09:30:27Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:55:06.860566Z"}],"nvd":[{"id":"CVE-2023-4226","description":"Unrestricted file upload in `/main/inc/ajax/work.ajax.php` in Chamilo LMS 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files.","status":"published","published":"2023-11-28T07:21:40.906Z","modified":"2026-10-28T02:31:14.607036199Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:44:33.792101Z"}]}}