CVE-2026-42719 WordPress Dynamic User Directory plugin <= 2.4 - PHP Object Injection vulnerability
A PHP object injection vulnerability in the Dynamic User Directory WordPress plugin allows attackers to potentially execute arbitrary code.
- 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-2026-42719?
CVE-2026-42719 is a critical unsafe deserialization vulnerability in Sarah Giles Dynamic User Directory, published on 10 Oct 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 Dynamic User Directory <= 2.4 versions.
Weakness: CWE-502
Which versions are affected by CVE-2026-42719?
How do I fix CVE-2026-42719?
No fix has been published for CVE-2026-42719 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-2026-42719 being exploited?
There is no known exploitation of CVE-2026-42719 in the wild and no public exploit code.
Sources
Also known as GHSA-qprx-44xp-w3rc.