CVE-2021-24498: Improper Neutralization of Input During Web Page Generation

The Calendar Event Multi View WordPress plugin before 1.4.01 does not sanitise or escape the 'start' and 'end' GET parameters before outputting them in the page via php/edit.php, leading to a reflected Cross-Site Scripting issue...

Calendar Event Multi View < 1.4.01 - Unauthenticated Reflected Cross-Site Scripting (XSS)

The plugin does not sanitise or escape the 'start' and 'end' GET parameters before outputting them in the page via php/edit.php, leading to a reflected Cross-Site Scripting issue. PoC https://www.example.com/?cpmvcid=1doaction=mvparse=editindex=0=1=0=F00=1=999=a%22%3E%3Csvg/%3E%3C%22...