CVE-2021-24787: Webventures Client Invoicing By Sprout Invoices

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The Client Invoicing by Sprout Invoices WordPress plugin before 19.9.7 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Affected products

• Webventures Client Invoicing By Sprout Invoices: before 19.9.7 (fixed in 19.9.7)

Published 2021-11-17. Last modified 2026-06-17.