CVE-2026-66599 PUBLISHED

WordPress WPComplete plugin <= 2.9.5.6 - Cross Site Scripting (XSS) vulnerability

Assigner: Patchstack
Reserved: 27.07.2026 Published: 24.08.2026 Updated: 24.08.2026

Unauthenticated Cross Site Scripting (XSS) in WPComplete <= 2.9.5.6 versions.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CVSS Score: 7.1

Product Status

Vendor Liquid Web / StellarWP
Product WPComplete
Versions Default: unaffected
  • affected from n/a to 2.9.5.6 (incl.)

Solutions

Update the WordPress WPComplete Plugin to the latest available version (at least 2.9.5.7).

Credits

  • Asim Alshaya | 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