CVE-2026-27537 PUBLISHED

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

Assigner: Patchstack
Reserved: 20.02.2026 Published: 13.08.2026 Updated: 13.08.2026

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

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
CVSS Score: 6.5

Product Status

Vendor supsystic
Product Popup by Supsystic
Versions Default: unaffected
  • affected from n/a to 1.11.2 (incl.)

Solutions

Update the WordPress Popup by Supsystic plugin to the latest available version (at least 1.12.0).

Credits

  • hhhai | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE

Impacts

  • CAPEC-588 DOM-Based XSS