CVE-2025-23944 WordPress WOOEXIM Plugin <= 5.0.0 - PHP Object Injection vulnerability

High 8.8 Published Updated

An attacker can exploit PHP object injection in the WOOEXIM WordPress plugin to potentially execute arbitrary code.

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-2025-23944?

CVE-2025-23944 is a high-severity unsafe deserialization vulnerability in bulktheme WOOEXIM, published on 22 Jan 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Deserialization of Untrusted Data vulnerability in bulktheme WOOEXIM wooexim allows Object Injection.This issue affects WOOEXIM: from n/a through <= 5.0.0.

Weakness: CWE-502

Which versions are affected by CVE-2025-23944?

How do I fix CVE-2025-23944?

No fix has been published for CVE-2025-23944 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-2025-23944 being exploited?

There is no known exploitation of CVE-2025-23944 in the wild and no public exploit code.

Sources

Also known as GHSA-44qw-73mc-gq59.

Is CVE-2025-23944 in your software?

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