What’s Vulnerable › Vulnerabilities

CVE-2025-66571: UNA CMS 9.0.0-RC1 - 14.0.0-RC4 PHP Object Injection

• Severity: critical (CVSS 9.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-04 · updated 2026-10-18
• Weakness: CWE-502

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.

Affected products

• UNA CMS: from 9.0.0-RC1 through 14.0.0-RC4

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

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