CVE-2026-93943 WordPress Convex theme <= 1.16.0 - PHP Object Injection vulnerability

Critical 9.8 Published Updated

An attacker can exploit PHP object injection in the Convex theme 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-2026-93943?

CVE-2026-93943 is a critical unsafe deserialization vulnerability in ThemeREX Group Convex, published on 10 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Deserialization of Untrusted Data vulnerability in ThemeREX Group Convex convex allows Object Injection.This issue affects Convex: from n/a through 1.16.0.

Weakness: CWE-502

Which versions are affected by CVE-2026-93943?

How do I fix CVE-2026-93943?

No fix has been published for CVE-2026-93943 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-2026-93943 being exploited?

There is no known exploitation of CVE-2026-93943 in the wild and no public exploit code.

Sources

Also known as GHSA-x739-mm79-x5pj.

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