{"id":"CVE-2025-66571","aliases":["EUVD-2025-201274","GHSA-fc26-hj5x-86vx"],"status":"published","title":"UNA CMS 9.0.0-RC1 - 14.0.0-RC4 PHP Object Injection","description":"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.","severity":{"version":"4.0","score":9.3,"vector":"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00656,"percentile":0.51756,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2025-12-04T20:43:52Z","modified":"2026-10-28T02:30:41Z","products":[{"vendor":"unknown","product":"una cms"}],"references":[{"url":"https://www.exploit-db.com/exploits/52139","tags":["exploit","evidence"]},{"url":"https://unacms.com","tags":["product","web"]},{"url":"https://github.com/unacms/una","tags":["product","package"]},{"url":"https://karmainsecurity.com/KIS-2025-01","tags":["vdb-entry","advisory"]},{"url":"https://www.vulncheck.com/advisories/una-cms-900-rc1-1400-rc4-php-object-injection","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66571","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fc26-hj5x-86vx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66571.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-66571","title":"UNA CMS 9.0.0-RC1 - 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