Access Control Flaw in Salon Booking System Plugin for WordPress
CVE-2026-17021

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Salon Booking System
Vendor
CVE Published:
10 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-17021?

The Salon Booking System plugin for WordPress versions up to 10.30.33 contains an access control vulnerability that lets unauthorized users manipulate AJAX actions related to booking modifications. This flaw does not adequately validate booking ownership, enabling attackers to alter the total of arbitrary bookings without needing authentication.

Affected Version(s)

Salon Booking System 0 < 10.30.34

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-2026-17021 - Proof of Concept

References

https://wpscan.com/vulnerability/fbbfa907-3efd-4050-9651-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
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

Muni Nitish Kumar Yaddala
WPScan
.