UNA CMS 9.0.0-RC1 - 14.0.0-RC4 PHP Object Injection

{
  "id": "40970ab0685508b6c9e3fd072183ae6fe160b340e2628b53a99619536a40e527",
  "url": "https://osv.dev/vulnerability/CVE-2025-66571",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UNA CMS 9.0.0-RC1 - 14.0.0-RC4 PHP Object Injection",
    "summary": "UNA CMS versions 9.0.0-RC1 - 14.0.0-RC4 contain a PHP object injection vulnerability in BxBaseMenuSetAclLevel.php where the profile_id POST parameter is passed to PHP unserialize() without proper handling, allowing remote, unauthenticated attackers to inject arbitrary PHP objects and potentially write and execute arbitrary PHP code.",
    "evidence": "osv:CVE-2025-66571",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2025-66571",
      "aliases": [
        "CVE-2025-66571"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/unacms/una",
              "type": "GIT",
              "events": [
                {
                  "introduced": "68b46eeaa150d3dab31b9e0a8b6bccb85b533ee2"
                },
                {
                  "last_affected": "8d2b19e3a96ac2a6fd4cbe9a19a19a4da7abfe9e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "9.0.0-RC1"
                      },
                      {
                        "last_affected": "14.0.0-RC4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-66571.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:41.160237023Z",
      "provider": "osv",
      "references": [
        "https://unacms.com",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66571.json",
        "https://karmainsecurity.com/KIS-2025-01",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-66571",
        "https://www.vulncheck.com/advisories/una-cms-900-rc1-1400-rc4-php-object-injection",
        "https://github.com/unacms/una",
        "https://www.exploit-db.com/exploits/52139"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-502"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66571.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-66571",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509098,
  "published_at": "2025-12-04T20:43:52.499+00:00"
}