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.
CVE-2026-2988 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Plugin PowerPress Podcasting plugin by Blubrry. It affects Versions up to 11.15.15 and is fixed in 11.15.16.
Use the related hub and response guides to connect this CVE-2026-2988 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2026-2988 is tracked for the Plugin PowerPress Podcasting plugin by Blubrry as medium severity with CVSS 6.4. The affected range is Versions up to 11.15.15. Update PowerPress Podcasting plugin by Blubrry to 11.15.16 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 11.15.15.
Confirm PowerPress Podcasting plugin by Blubrry is updated to 11.15.16 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
powerpress
View on wordpress.org
|
| CVE | CVE-2026-2988 |
| Patched Versions |
11.15.16
|
| Affected Versions |
Versions up to 11.15.15
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Blubrry PowerPress <= 11.15.2 - Authenticated (Contributor+) Arbitrary File Upload via 'powerpress_edit_post'
PowerPress Podcasting plugin by Blubrry <= 11.12.5 - Authenticated (Contributor+) Stored Cross-Site Scripting
PowerPress Podcasting plugin by Blubrry <= 11.15.10 - Authenticated (Contributor+) PHP Object Injection
PowerPress <= 8.3.7 - Arbitrary File Upload
PowerPress Podcasting <= 11.15.13 - Authenticated (Author+) Stored Cross-Site Scripting
PowerPress Podcasting <= 11.13.11 - Authenticated (Contributor+) Server-Side Request Forgery
PowerPress Podcasting <= 11.12.5 - Authenticated (Contributor+) Stored Cross-Site Scripting
PowerPress Podcasting <= 11.9.17 - Authenticated (Author+) Stored Cross-Site Scripting
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