{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.24"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "5add3c5cf3691da1590d7488ebdf934a2b32b9dc"
            },
            {
              "fixed": "6f32625a012d5de2dfe8edbccb4ed14a85e310d4"
            },
            {
              "fixed": "e864127a440c2cab0eb62c113a04e2e904543a1f"
            },
            {
              "fixed": "f3d62b65ad60d68096c2674d5695339f04de0b8a"
            }
          ],
          "repo": "https://github.com/chamilo/chamilo-lms",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "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.",
  "id": "CVE-2023-4226",
  "modified": "2026-03-13T21:50:17.139091348Z",
  "published": "2023-11-28T08:15:10.430Z",
  "references": [
    {
      "type": "REPORT",
      "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/6f32625a012d5de2dfe8edbccb4ed14a85e310d4"
    },
    {
      "type": "FIX",
      "url": "https://github.com/chamilo/chamilo-lms/commit/e864127a440c2cab0eb62c113a04e2e904543a1f"
    },
    {
      "type": "FIX",
      "url": "https://github.com/chamilo/chamilo-lms/commit/f3d62b65ad60d68096c2674d5695339f04de0b8a"
    },
    {
      "type": "EVIDENCE",
      "url": "https://starlabs.sg/advisories/23/23-4226"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}