Security advisory

{
  "id": "f245e1eb6aacb101769fbb74b89ac5ed7ed7cb14d8b9fa8ae3a662238b22649d",
  "url": "https://osv.dev/vulnerability/CVE-2021-33816",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-33816",
    "summary": "The website builder module in Dolibarr 13.0.2 allows remote PHP code execution because of an incomplete protection mechanism in which system, exec, and shell_exec are blocked but backticks are not blocked.",
    "evidence": "osv:CVE-2021-33816",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-33816",
      "aliases": [
        "BIT-dolibarr-2021-33816",
        "CVE-2021-33816",
        "GHSA-vxr9-p2xw-m8cf"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/dolibarr/dolibarr",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8243ffc174603084237bf6f6ce4f395811e7d617"
                },
                {
                  "last_affected": "8243ffc174603084237bf6f6ce4f395811e7d617"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:dolibarr:dolibarr_erp\\/crm:13.0.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "13.0.2"
                      },
                      {
                        "last_affected": "13.0.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "13.0.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33816.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:53.841581997Z",
      "provider": "osv",
      "references": [
        "https://trovent.github.io/security-advisories/TRSA-2106-01/TRSA-2106-01.txt",
        "https://trovent.io/security-advisory-2106-01"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-33816",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438019,
  "published_at": "2021-11-10T23:15:08.163+00:00"
}