CVE-2026-39447 PUBLISHED

WordPress Simply Schedule Appointments plugin <= 1.6.10.6 - Cross Site Scripting (XSS) vulnerability

Assigner: Patchstack
Reserved: 07.04.2026 Published: 15.06.2026 Updated: 16.06.2026

Unauthenticated Cross Site Scripting (XSS) in Simply Schedule Appointments <= 1.6.10.6 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 NSquared
Product Simply Schedule Appointments
Versions Default: unaffected
  • affected from n/a to 1.6.10.6 (incl.)

Solutions

Update the WordPress Simply Schedule Appointments Plugin to the latest available version (at least 1.6.11.0).

Credits

  • devploit | Patchstack Bug Bounty Program finder

References

Problem Types

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

Impacts

  • CAPEC-592 Stored XSS