Piwik Authenticated RCE via Custom Plugin Upload
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- FireFart
References
- https://matomo.org/changelog/piwik-3-0-3/
- https://matomo.org/faq/plugins/faq_21/
- https://firefart.at/post/turning_piwik_superuser_creds_into_rce/
- 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
Affected Vendor
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Piwik (now Matomo)
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