Unauthenticated Access Flaw in Online Scheduling Plugin for WordPress
CVE-2026-91847
Currently unrated
Key Information:
- Vendor
WordPress
- Vendor
- CVE Published:
- 19 September 2026
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-91847?
The Online Scheduling and Appointment Booking System WordPress plugin prior to version 28.2 fails to validate the ownership of conversations in its unauthenticated actions. This oversight permits any visitor to gain unauthorized access to messages within another user's AI booking-assistant conversation and potentially inject messages into ongoing discussions. This vulnerability raises serious privacy and security concerns for users relying on this scheduling system.
Affected Version(s)
Online Scheduling and Appointment Booking System 28.1 < 28.2
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.