CVE-2026-73380criticalCWE-502

CVE-2026-73380: critical vulnerability in supsystic Popup by Supsystic

WordPress Popup by Supsystic plugin <= 1.13.0 - PHP Object Injection vulnerability

Published

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 0.6%
Unauthenticated PHP Object Injection in Popup by Supsystic <= 1.13.0 versions.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
supsystic · Popup by Supsystic
Related CVEs — supsystic Popup by Supsystic

In the same product, most dangerous first.

CVE-2024-52434CRITICALWordPress Popup by Supsystic plugin <= 1.10.29 - Remote Code Execution (RCE) vulnerabilityEPSS 1.1%CVE-2023-51353MEDIUMWordPress Popup by Supsystic plugin <= 1.10.19 - Broken Access Control vulnerabilityEPSS 0.6%CVE-2026-73381CRITICALWordPress Popup by Supsystic plugin <= 1.13.0 - Broken Authentication vulnerabilityEPSS 0.5%CVE-2024-31421MEDIUMWordPress Popup by Supsystic plugin <= 1.10.27 - Broken Access Control vulnerabilityEPSS 0.4%CVE-2026-27537MEDIUMWordPress Popup by Supsystic plugin <= 1.11.2 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.2%CVE-2026-102398HIGHWordPress Popup by Supsystic plugin <= 1.13.1 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.2%