CVE-2024-31421: Supsystic Popup

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in supsystic Popup by Supsystic popup-by-supsystic.This issue affects Popup by Supsystic: from n/a through <= 1.10.27.

Affected products

• Supsystic Popup: before 1.10.28 (fixed in 1.10.28)

Published 2024-04-15. Last modified 2026-06-17.