CVE-2026-39434 WordPress CTX Feed plugin <= 6.6.26 - PHP Object Injection vulnerability

High 7.2 Published Updated

An attacker can exploit PHP object injection in the CTX Feed plugin to potentially execute arbitrary code on the WordPress site.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-39434?

CVE-2026-39434 is a high-severity unsafe deserialization vulnerability in WebAppick CTX Feed, published on 15 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Shop manager PHP Object Injection in CTX Feed <= 6.6.26 versions.

Weakness: CWE-502

Which versions are affected by CVE-2026-39434?

How do I fix CVE-2026-39434?

No fix has been published for CVE-2026-39434 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-2026-39434 being exploited?

There is no known exploitation of CVE-2026-39434 in the wild and no public exploit code.

Sources

Also known as GHSA-7hfg-g6xf-6f7q.

Is CVE-2026-39434 in your software?

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