CVE-2025-34104

An authenticated remote code execution vulnerability exists in Piwik (now Matomo) versions prior to 3.0.3 via the plugin upload mechanism. In vulnerable versions, an authenticated user with Superuser privileges can upload and activate a malicious plugin (ZIP archive), leading to arbitrary PHP code execution on the underlying system. Starting with version 3.0.3, plugin upload functionality is disabled by default unless explicitly enabled in the configuration file.

The following products are affected by CVE-2025-34104 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-34104.

URL	Resource
https://firefart.at/post/turning_piwik_superuser_creds_into_rce/
https://matomo.org/changelog/piwik-3-0-3/
https://matomo.org/faq/plugins/faq_21/
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/webapp/piwik_superuser_plugin_upload.rb
https://www.vulncheck.com/advisories/piwik-authenticated-rce-via-custom-plugin-upload