CVE-2015-9370: Ithemes Invoices

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

Invoices Add-on for iThemes Exchange before 1.4.0 for WordPress has XSS via add_query_arg() and remove_query_arg().

Affected products

• Ithemes Invoices: before 1.4.0 (fixed in 1.4.0)

Published 2019-08-28. Last modified 2026-06-17.