anonhaven

CVE-2026-32563

CRITICAL CVSS 3.1: 9.8
Updated Aug 25, 2026
WordPress
Parameter Value
CVSS 9.8 (CRITICAL)
Type CWE-502 (Deserialization of Untrusted Data)
Vendor WordPress
Public PoC No

Subscriber PHP Object Injection in ACPT (Pro) - Custom Post Types Plugin for WordPress <= 2.0.63 versions.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

CWE-502 Deserialization of Untrusted Data

References 1

https://patchstack.com/database/wordpress/plugin/advanced-custom-post-type/vuln…
audit@patchstack.com
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