# CVE-2026-109232: Salon Booking System plugin for WordPress stored cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-109232-the-salon-booking-system-appointment-booking-for-salons  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-16. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-109232 · Severity: high · CVSS 7.2 · Published 2026-10-16

The Salon Booking System plugin provides appointment scheduling for salons and spas on WordPress websites. An unauthenticated attacker can inject malicious scripts into custom checkout fields that execute when site visitors view the page, potentially stealing credentials, redirecting users to malicious sites, or defacing the booking interface. Exploitation requires the site administrator to have enabled custom checkout fields of type Html or File.

## Quick answers

**Is CVE-2026-109232 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-109232 being exploited in the wild.

**How severe is CVE-2026-109232?** High severity, with a CVSS score of 7.2, published 16 October 2026.

**Which products and versions are affected?** Salon Booking System up to 10.31.9.

**Is there a fix for CVE-2026-109232?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-109232 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-109232?** Check whether you run Salon Booking System at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A stored cross-site scripting vulnerability exists in the handling of the 'sln[<checkout-field-key>]' parameter across all versions up to 10.31.9, caused by insufficient input sanitization and output escaping. The vulnerability affects custom checkout fields configured as Html or File types. Unauthenticated attackers can inject arbitrary JavaScript that persists and executes for all users accessing affected pages.

## Affected products

- Salon Booking System up to 10.31.9

## Timeline

- 2026-10-16: disclosed

## References

- [https://plugins.trac.wordpress.org/browser/salon-booking-system/tags/10.31.9/src/SLN/Action/Init.php](https://plugins.trac.wordpress.org/browser/salon-booking-system/tags/10.31.9/src/SLN/Action/Init.php)
- [https://plugins.trac.wordpress.org/browser/salon-booking-system/tags/10.31.9/src/SLN/Form.php](https://plugins.trac.wordpress.org/browser/salon-booking-system/tags/10.31.9/src/SLN/Form.php)