Data Exposure in Booking Plugin for WordPress by Bookit
CVE-2026-88995

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Bookit — Booking & Appointment Calendar
Vendor
CVE Published:
13 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-88995?

The Bookit - Booking & Appointment Calendar plugin for WordPress prior to version 2.6.0.1 contains a vulnerability that fails to restrict data return during availability-check requests. This oversight permits unauthenticated individuals to access sensitive information such as appointment details, free-text booking comments, and user contact information of other customers. The exposure can lead to privacy breaches and unauthorized access to personal data, highlighting the importance of securing application interfaces.

Affected Version(s)

Bookit — Booking & Appointment Calendar 0 < 2.6.0.1

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.

CVE-2026-88995 - Proof of Concept

References

https://wpscan.com/vulnerability/5a6f6d75-e7b8-44ad-a0f6-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Philipp Doblhofer
WPScan
.