CVE-2013-2633: Piwik (now Matomo) Reveals Sensitive Information by Accepting Input from `POST` Requests

May 13, 2022 (updated October 31, 2025)

Piwik before 1.11 accepts input from a POST request instead of a GET request in unspecified circumstances, which might allow attackers to obtain sensitive information by leveraging the logging of parameters.

References

github.com/advisories/GHSA-v8h8-93mx-82h5
github.com/matomo-org/matomo
nvd.nist.gov/vuln/detail/CVE-2013-2633
web.archive.org/web/20130313093839/http://piwik.org/blog/2013/03/piwik-1-11

Code Behaviors & Features

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