CVE-2026-23798 HIGH

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

Vendor Blubrry

Product PowerPress Podcasting

Weakness CWE-502 · Unsafe deserialization

Published March 5, 2026

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

8.8/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

PowerPress Podcasting versions up to 11.15.10 contain a deserialization vulnerability that allows authenticated users to execute arbitrary code on the site. An attacker with low-level access can craft malicious serialized data that, when processed by the plugin, runs their own PHP code with full site privileges. This affects confidentiality, integrity, and availability of the entire WordPress installation.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site with full WordPress privileges.

Potential impact on your site

04Site Impact

Any authenticated user can compromise the entire site, steal data, modify content, or take the site offline.

Conditions required to exploit

05Prerequisites

Attacker must have a low-level user account (subscriber or contributor role or higher).

Key dates

06Disclosure timeline

March 5, 2026 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-23798 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html AskarLabs — CWE-502 write-up Deserialization of Untrusted Data

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