CVE-2026-27537: medium-severity vulnerability in supsystic Popup by Supsystic
WordPress Popup by Supsystic plugin <= 1.11.2 - Cross Site Scripting (XSS) vulnerability
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.2%
Unauthenticated Cross Site Scripting (XSS) in Popup by Supsystic <= 1.11.2 versions.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Affected products
supsystic · Popup by SupsysticRelated 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-2026-73380CRITICALWordPress Popup by Supsystic plugin <= 1.13.0 - PHP Object Injection 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-2026-102398HIGHWordPress Popup by Supsystic plugin <= 1.13.1 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.2%