CVE-2026-102398: Supsystic Popup By Supsystic

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Unauthenticated Cross Site Scripting (XSS) in Popup by Supsystic <= 1.13.1 versions.

Affected products

• Supsystic Popup By Supsystic: up to and including 1.13.1

Published 2026-09-30. Last modified 2026-09-30.