The Salon Booking System – Free Version plugin for WordPress is vulnerable to Arbitrary File Read in versions up to, and including, 10.30.25. This is due to the public booking flow accepting attacker-controlled file-field values and later using those stored values as trusted paths for email attachments. This makes it possible for unauthenticated attackers to read arbitrary local files and exfiltrate them via booking confirmation email attachments.
CVE-2026-6320 is a high severity with CVSS 7.5 Vulnerability issue affecting the Plugin Salon Booking System – Free Version. It affects Versions up to 10.30.25 and is fixed in 10.30.26.
CVE-2026-6320 is tracked for the Plugin Salon Booking System – Free Version as high severity with CVSS 7.5. The affected range is Versions up to 10.30.25. Update Salon Booking System – Free Version to 10.30.26 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
salon-booking-system
View on wordpress.org
|
| CVE | CVE-2026-6320 |
| Patched Versions |
10.30.26
|
| Affected Versions |
Versions up to 10.30.25
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Salon booking system <= 9.5 - Unauthenticated Arbitrary File Upload
Salon Booking System <= 10.2 - Unauthenticated Arbitrary File Upload
Salon booking system <= 10.7 - Authenticated (Administrator+) SQL Injection
Salon booking system <= 9.9 - Unauthenticated Arbitrary File Deletion
Salon booking system <= 10.11 - Authenticated Privilege Escalation
Salon Booking System and Salon Booking System Pro <= 7.6.2 - Sensitive Information Disclosure
Salon booking system <= 9.6.2 - Unauthenticated Stored Cross-Site Scripting via 'sms_prefix'
Salon booking system < 8.7 - Authenticated (Editor+) Privilege Escalation
This record contains material that is subject to copyright
License: Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. Read more
License: CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. Read more
