Blubrry PowerPress WP Plugin 11.15.15: Stored XSS via Powerpress & Podcast Shortcodes
CVE-2026-2988 Published on April 8, 2026
Blubrry PowerPress <= 11.15.15 - Authenticated (Contributor+) Stored Cross-Site Scripting via powerpress and podcast Shortcodes
The Blubrry PowerPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'powerpress' and 'podcast' shortcodes in versions up to, and including, 11.15.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Timeline
Vendor Notified
Disclosed 41 days later.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-2988 has been classified to as a XSS vulnerability or weakness.
Affected Versions
PowerPress Podcasting plugin by Blubrry:- Before and including 11.15.15 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.