CVE-2026-13001 PoC — Podlove Podcast Publisher <= 4.5.1 - Unauthenticated Arbitrary File Upload via podlove_image_cache_url Parameter

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-13001.yaml

Associated Vulnerability

Title: Podlove Podcast Publisher <= 4.5.1 - Unauthenticated Arbitrary File Upload via podlove_image_cache_url Parameter (CVE-2026-13001)
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.

Description

Podlove Podcast Publisher plugin for WordPress through 4.5.1 is vulnerable to arbitrary file uploads due to missing file type validation in the podlove_handle_cache_files function. The image cache derives the stored file extension from the path of the attacker supplied source URL, while the image validation is performed against a different file name taken from the full source URL, so a source URL whose path carries a dangerous extension is written to the cache with that extension.

File Snapshot

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