Unauthorized Access in Booking for Appointments and Events Calendar Plugin by WordPress
CVE-2026-77705

7.2HIGH

Key Information:

Vendor

WordPress
Status
Booking For Appointments And Events Calendar
Vendor
CVE Published:
12 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-77705?

The Booking for Appointments and Events Calendar plugin for WordPress fails to properly verify the user's permissions when editing customer or employee records. This oversight allows individuals with management permissions to change the password and email of other users’ WordPress accounts, potentially leading to unauthorized access and account takeover. Upgrading to version 2.4.10 or later is essential to mitigate this security risk.

Affected Version(s)

Booking for Appointments and Events Calendar 0 < 2.4.10

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-2026-77705 - Proof of Concept

References

https://wpscan.com/vulnerability/bfd0ce74-f91e-41fe-8288-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Karthik Ramakrishnan
WPScan
.