CVE-2011-0399: Matomo

Medium severity, CVSS 4.3. EPSS: 1.4% chance of exploitation in the next 30 days.

Piwik before 1.1 does not prevent the rendering of the login form inside a frame in a third-party HTML document, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.

Affected products

• Matomo Matomo: up to and including 1.0; version 0.1 only; version 0.1.1 only; version 0.1.2 only; version 0.1.3 only; version 0.1.4 only; …

Published 2011-01-10. Last modified 2026-06-16.