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Threat intelligence

Online Scheduling and Appointment Booking System – Bookly <= 27.4 - Unauthenticated Information Exposure

CVE-2026-42667 · bookly-responsive-appointment-booking-tool

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Bookly Responsive Appointment Booking Tool at a vulnerable version. How SiteRespond intelligence works

Vulnerability
Online Scheduling and Appointment Booking System – Bookly <= 27.4 - Unauthenticated Information Exposure
Affected versions
  • ≤ 27.4
Authentication
Unauthenticated
Vulnerability type
Other
Published
10 May 2026
CISA KEV
Not listed in CISA KEV at last catalog refresh
Impact
This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source

Data imported from Wordfence Intelligence (advisory 0c976b67-8236-4b34-be93-075beea11f0e). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Bookly Responsive Appointment Booking Tool version against this catalog when the Defence plugin is connected to your WordPress site.