CVE-2026-103348 WordPress WP Ultimate Exporter plugin <= 3.0 - PHP Object Injection vulnerability

High 7.2 Published Updated

An attacker can exploit PHP object injection in the WP Ultimate Exporter 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-2026-103348?

CVE-2026-103348 is a high-severity unsafe deserialization vulnerability in Smackcoders Inc. WP Ultimate Exporter, published on 5 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Deserialization of Untrusted Data vulnerability in Smackcoders Inc. WP Ultimate Exporter wp-ultimate-exporter allows Object Injection.This issue affects WP Ultimate Exporter: from n/a through 3.0.

Weakness: CWE-502

Which versions are affected by CVE-2026-103348?

How do I fix CVE-2026-103348?

No fix has been published for CVE-2026-103348 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-2026-103348 being exploited?

There is no known exploitation of CVE-2026-103348 in the wild and no public exploit code.

Sources

Also known as GHSA-xrv7-6pxj-423f.

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