What is GHSA-h9qm-hc3c-qpr3?

GHSA-h9qm-hc3c-qpr3 is a security advisory published by GitHub Security Advisories with High severity. The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does...

Which CVE IDs does GHSA-h9qm-hc3c-qpr3 cover?

GHSA-h9qm-hc3c-qpr3 covers the following CVE IDs: CVE-2026-76586. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-h9qm-hc3c-qpr3?

GHSA-h9qm-hc3c-qpr3 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-h9qm-hc3c-qpr3HighCVSS 7.5

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does...

Vendor

GitHub Security Advisories

Published

August 29, 2026

Last Modified

August 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-76586 →

📋 Description

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-76586
https://wpscan.com/vulnerability/bc74bc9b-92ce-434e-a21d-34d7525c8600
https://github.com/advisories/GHSA-h9qm-hc3c-qpr3