CVE-2026-23798 WordPress PowerPress Podcasting plugin <= 11.15.10 - PHP Object Injection vulnerability

High 8.8 Published Updated

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

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-2026-23798?

CVE-2026-23798 is a high-severity unsafe deserialization vulnerability in blubrry PowerPress Podcasting, published on 5 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Deserialization of Untrusted Data vulnerability in blubrry PowerPress Podcasting powerpress allows Object Injection.This issue affects PowerPress Podcasting: from n/a through <= 11.15.10.

Weakness: CWE-502

Which versions are affected by CVE-2026-23798?

How do I fix CVE-2026-23798?

No fix has been published for CVE-2026-23798 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-2026-23798 being exploited?

There is no known exploitation of CVE-2026-23798 in the wild and no public exploit code.

Sources

Also known as GHSA-9xqj-q8c2-2hvg.

Is CVE-2026-23798 in your software?

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

Check your SBOMs for free