CVE-2026-76586 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-284

References

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

FAQ

What is CVE-2026-76586?

CVE-2026-76586 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2026-76586?

CVE-2026-76586 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-76586?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.