CVE-2026-57428: Boldgrid Sprout Clients

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Unauthenticated Cross Site Scripting (XSS) in Sprout Clients <= 3.2.3 versions.

Affected products

• Boldgrid Sprout Clients: up to and including 3.2.3

Published 2026-07-23. Last modified 2026-07-23.