WordPress Plugin Vulnerabilities

Appointment Booking Plugin & Scheduling System – Webba Booking Calendar < 6.5.2 - Authenticated (Subscriber+) Insecure Direct Object Reference

Description

The Appointment Booking Plugin & Scheduling System – Webba Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 6.5.0. This is due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to perform an unauthorized action.

Affects Plugins

Fixed in 6.5.2

References

Classification

Type
IDOR
CWE

Miscellaneous

Original Researcher
sungbyeongchan
Verified
No

Timeline

Publicly Published
2026-09-24 (about 1 month ago)
Added
2026-09-30 (about 29 days ago)
Last Updated
2026-09-30 (about 29 days ago)

Other