WordPress Plugin Vulnerabilities

Mobile Events Manager < 1.4.4 - Admin+ Stored Cross-Site Scripting

Description

The plugin does not sanitise and escape various of its settings, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Proof of Concept

Payload used: <script>alert(/XSS/)</script>

- Put the payload in the TMEM Events > Settings > Events > Event prefix field, then Create an event to trigger the XSS
- Put the payload in the TMEM Events > Settings > Client Zone > Application Name field. The XSS will be triggered thought the plugin
- Put the payload in the TMEM Events > Settings > General > Company Name field. The XSS will be triggered in the admin dashboard