cPanel versions 11.102.0.x < 11.102.0.31 / 11.106.0.x < 11.106.0.x / 11.108.0.x < 11.108.0.13 / 11.109.9999.x < 11.109.9999.116 are vulnerable to Reflected Cross-Site Scripting via a specially crafted request to the web call ID when displayed on the error page for cpsrvd.