CVE-2026-27537: Supsystic Popup By Supsystic

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Unauthenticated Cross Site Scripting (XSS) in Popup by Supsystic <= 1.11.2 versions.

Affected products

• Supsystic Popup By Supsystic: up to and including 1.11.2

Published 2026-08-13. Last modified 2026-08-14.