CVE-2026-32563 WordPress ACPT (Pro) - Custom Post Types Plugin for WordPress plugin <= 2.0.63 - PHP Object Injection vulnerability
A subscriber can exploit PHP object injection in the ACPT Pro plugin to potentially execute arbitrary code on the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-32563?
CVE-2026-32563 is a critical unsafe deserialization vulnerability in ACPT (Pro) - Custom Post Types Plugin for WordPress, published on 24 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Subscriber PHP Object Injection in ACPT (Pro) - Custom Post Types Plugin for WordPress <= 2.0.63 versions.
Weakness: CWE-502
Which versions are affected by CVE-2026-32563?
How do I fix CVE-2026-32563?
No fix has been published for CVE-2026-32563 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-32563 being exploited?
There is no known exploitation of CVE-2026-32563 in the wild and no public exploit code.
Sources
Also known as GHSA-89vc-p8p8-f8q8.