Unauthenticated Access Vulnerability in Booking for Appointments and Events Calendar Plugin by WordPress
CVE-2026-14216

6.5MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
26 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14216?

The Booking for Appointments and Events Calendar plugin for WordPress prior to version 2.4.7 is susceptible to an unauthenticated access vulnerability. This flaw permits an unauthorized user to manipulate the pending notification queue without requiring authentication. As a result, such users can trigger the dispatch of queued notifications and integration callbacks, potentially leading to unwanted actions within the application and impacting the integrity of the notified data.

Affected Version(s)

Booking for Appointments and Events Calendar 0 < 2.4.7

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.

References

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
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

Manuel Martínez Casasola
WPScan
.