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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.

Published

2025-07-15T13:15:29.967

Last Modified

2025-07-15T20:07:28.023

Status

Awaiting Analysis

Source

[email protected]

Severity

Weaknesses

Type: Secondary
CWE-306
CWE-434

Affected Vendors & Products

References

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