🔐 CVE Alert

CVE-2026-27537

MEDIUM 6.5

WordPress Popup by Supsystic plugin <= 1.11.2 - Cross Site Scripting (XSS) vulnerability

CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th

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

CWE CWE-79
Vendor supsystic
Product popup by supsystic
Published Aug 13, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

Affected Versions

supsystic / Popup by Supsystic
n/a ≤ 1.11.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗
patchstack.com: https://patchstack.com/database/wordpress/plugin/popup-by-supsystic/vulnerability/wordpress-popup-by-supsystic-plugin-1-11-2-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

hhhai | Patchstack Bug Bounty Program