Critical 9.3Published Dec 4, 2025

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

Updated under an hour ago (Oct 27, 2026, 8:50 AM ET)

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It affects Unknown UNA CMS. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Unknown UNA CMS

Exploited in the last 30 days

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: 9.3 CRITICAL (v4.0, CNA)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
Weakness (CWE): CWE-502
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jul 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Unknown UNA CMS unknown:una_cms (from the name)	from 9.0.0-RC1 through 14.0.0-RC4	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.