CVE-2025-66571

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

CVSS 9.3 CRITICALEPSS 0.5%CWE-502

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.3EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

04 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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 products

Unknown · UNA CMS

References

https://github.com/unacms/una https://karmainsecurity.com/KIS-2025-01 https://unacms.com https://www.exploit-db.com/exploits/52139 https://www.vulncheck.com/advisories/una-cms-900-rc1-1400-rc4-php-object-injection