CVE-2026-25445 WordPress WishList Member X plugin <= 3.29.0 - PHP Object Injection vulnerability
An attacker can exploit PHP object injection in the WishList Member X plugin to potentially execute arbitrary code on the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-25445?
CVE-2026-25445 is a high-severity unsafe deserialization vulnerability in Membership Software WishList Member X, published on 19 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Deserialization of Untrusted Data vulnerability in Membership Software WishList Member X allows Object Injection.This issue affects WishList Member X: from n/a through 3.29.0.
Weakness: CWE-502
Which versions are affected by CVE-2026-25445?
How do I fix CVE-2026-25445?
No fix has been published for CVE-2026-25445 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-2026-25445 being exploited?
There is no known exploitation of CVE-2026-25445 in the wild and no public exploit code.
Sources
Also known as GHSA-j5c5-2p8w-cq4f.