CVE-2026-110031

Salon Booking System 10.17 - 10.31.10 - Salon Staff+ Privilege Escalation to Administrator via Case-Insensitive User Meta Key

The Salon Booking System WordPress plugin before 10.31.11 does not prevent users holding its custom salon staff role from assigning arbitrary capabilities to other accounts when editing a customer, allowing them to escalate any account to administrator and take over the site.

Affected

Salon Booking System

EPSS

0.13% chance of exploitation in the next 30 days, 2nd percentile

Published

2026-10-18

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/8d24ad5b-2d50-467b-9c40-45e86e53dafb/

References

• CVE Record
• NVD entry