CVE-2025-66571

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.

Score

CVSS 4.0 9.3 Critical

Status

Deferred - disclosure@vulncheck.com

Published

2025-12-04

Last modified

2026-10-18

Weaknesses

CWE-502

Affected products

• Una (Una)

References

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