CVE-2026-91847 — MEDIUM (4.8)

Vulnerability Description

The Online Scheduling and Appointment Booking System WordPress plugin before 28.2 does not verify that the requester owns the AI booking-assistant conversation named in its unauthenticated conversation actions, allowing any unauthenticated visitor to read another visitor's assistant messages and to inject messages into their in-progress conversation.

CVSS Score

4.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-639

References

https://wpscan.com/vulnerability/9eef3086-3a67-4ee2-bd78-e346e7b05d62/

FAQ

What is CVE-2026-91847?

CVE-2026-91847 is a vulnerability with a CVSS score of 4.8 (MEDIUM). The Online Scheduling and Appointment Booking System WordPress plugin before 28.2 does not verify that the requester owns the AI booking-assistant conversation named in its unauthenticated conversati...

How severe is CVE-2026-91847?

CVE-2026-91847 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-91847?

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