The Events Calendar < 6.13.2.1 - Contributor+ DOM-Based Stored XSS

Description

The plugin is vulnerable to Stored Cross-Site Scripting via the ‘data-date-*’ parameters due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.