Chamilo LMS File Upload Functionality Remote Code Execution

{
  "id": "84af2697564f163f3fde6f7bccae83a1fc84b12ac533f79ba1158591b4df4b96",
  "url": "https://osv.dev/vulnerability/CVE-2023-4223",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Chamilo LMS File Upload Functionality Remote Code Execution",
    "summary": "Unrestricted file upload in `/main/inc/ajax/document.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files.",
    "evidence": "osv:CVE-2023-4223",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-4223",
      "aliases": [
        "CVE-2023-4223"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/chamilo/chamilo-lms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3d74fb7d99bd2e287730552f7a66562417a55047"
                },
                {
                  "fixed": "6f32625a012d5de2dfe8edbccb4ed14a85e310d4"
                },
                {
                  "fixed": "e864127a440c2cab0eb62c113a04e2e904543a1f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.11.24"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3d74fb7d99bd2e287730552f7a66562417a55047"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "6f32625a012d5de2dfe8edbccb4ed14a85e310d4"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "e864127a440c2cab0eb62c113a04e2e904543a1f"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "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"
          }
        }
      ],
      "modified": "2026-10-28T02:30:21.884245986Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4223.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-4223",
        "https://starlabs.sg/advisories/23/23-4223",
        "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",
        "https://github.com/chamilo/chamilo-lms/commit/3d74fb7d99bd2e287730552f7a66562417a55047",
        "https://github.com/chamilo/chamilo-lms/commit/6f32625a012d5de2dfe8edbccb4ed14a85e310d4",
        "https://github.com/chamilo/chamilo-lms/commit/e864127a440c2cab0eb62c113a04e2e904543a1f"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-434"
        ],
        "cna_assigner": "STAR_Labs",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4223.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-4223",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 488026,
  "published_at": "2023-11-28T07:18:16.724+00:00"
}