CVE-2023-51353: Supsystic Popup

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in supsystic Popup by Supsystic popup-by-supsystic allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Popup by Supsystic: from n/a through <= 1.10.19.

Affected products

• Supsystic Popup: before 1.10.20 (fixed in 1.10.20)

Published 2024-12-09. Last modified 2026-06-17.