Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Piwik PRO allows Cross-Site Scripting (XSS).This issue affects Piwik PRO: from 0.0.0 before 1.3.2.
The Matomo Analytics – Ethical Stats. Powerful Insights. plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the idsite parameter in all versions up to, and including, 4.15.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.