CVE-2026-65552 WordPress Export User Data plugin <= 2.2.6 - PHP Object Injection vulnerability

Critical 9.8 Published Updated

A PHP object injection vulnerability in the Export User Data 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-2026-65552?

CVE-2026-65552 is a critical unsafe deserialization vulnerability in qstudio Export User Data, published on 6 Aug 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 Export User Data <= 2.2.6 versions.

Weakness: CWE-502

Which versions are affected by CVE-2026-65552?

How do I fix CVE-2026-65552?

No fix has been published for CVE-2026-65552 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-2026-65552 being exploited?

There is no known exploitation of CVE-2026-65552 in the wild and no public exploit code.

Sources

Also known as GHSA-3vc2-373x-2487.

Is CVE-2026-65552 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free