CVE-2020-23517: Aryanic High CMS

Medium severity, CVSS 6.1. EPSS: 7.1% chance of exploitation in the next 30 days.

Cross Site Scripting (XSS) vulnerability in Aryanic HighMail (High CMS) versions 2020 and before allows remote attackers to inject arbitrary web script or HTML, via 'user' to LoginForm.

Affected products

• Aryanic High CMS: up to and including 2020

Published 2021-03-26. Last modified 2026-06-17.