CVE-2026-59558 PUBLISHED

WordPress Booking Calendar plugin <= 11.4.2 - Cross Site Scripting (XSS) vulnerability

Assigner: Patchstack
Reserved: 05.07.2026 Published: 27.07.2026 Updated: 27.07.2026

Unauthenticated Cross Site Scripting (XSS) in Booking Calendar <= 11.4.2 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 wpdevelop
Product Booking Calendar
Versions Default: unaffected
  • affected from n/a to 11.4.2 (incl.)

Solutions

Update the WordPress Booking Calendar Plugin to the latest available version (at least 11.4.3).

Credits

  • daroo | 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