Authorization Bypass in Salon Booking System for WordPress
CVE-2026-11887

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Salon Booking System
Vendor
CVE Published:
1 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11887?

The Salon Booking System plugin for WordPress lacks adequate authorization checks on specific AJAX actions, allowing authenticated users—such as subscribers—to make unauthorized modifications. This weakness enables them to alter settings and bypass the necessary manual approval process for new bookings, potentially leading to significant misuse of the booking system.

Affected Version(s)

Salon Booking System 0 < 10.30.20

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-2026-11887 - Proof of Concept

References

https://wpscan.com/vulnerability/ed203765-0482-4d55-b36f-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • đź‘ľ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

kevin(@OPCIA)
WPScan
.