CVE-2026-76586

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a fraction of its price.

Score

CVSS 3.1 7.5 High

Status

Deferred - contact@wpscan.com

Published

2026-08-29

Last modified

2026-08-30

Weaknesses

CWE-284

Affected products

• Appointment Booking Calendar Plugin And Scheduling Plugin (Unknown)

References

• https://wpscan.com/vulnerability/bc74bc9b-92ce-434e-a21d-34d7525c8600/