Vulnerability · Published Jul 14, 2026 · Assigned by Wordfence
CVE-2026-13001Podlove Podcast Publisher <= 4.5.1 - Unauthenticated Arbitrary File Upload via podlove_image_cache_url Parameter
Critical 9.8
In plain English
A critical-severity improper input validation in Podlove Podcast Publisher from eteubert. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.8% (higher than 90% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code.
Official description
The Podlove Podcast Publisher plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'podlove_handle_cache_files' function in all versions up to, and including, 4.5.1. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| eteubert | Podlove Podcast Publisher | 0 – through 4.5.1 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f81a3429-f378-4295-adbe-ad6f1df59701?source=cve
- https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.4.2/lib/model/image.php#L439
- https://github.com/podlove/podlove-publisher/commit/5b32468601e903bae2bcacfaf36ff583d2bc9387
- https://plugins.trac.wordpress.org/changeset/3597461/podlove-podcasting-plugin-for-wordpress