CVE-2021-24926: Domaincheckplugin Domain Check

Medium severity, CVSS 6.1. EPSS: 12.9% chance of exploitation in the next 30 days.

The Domain Check WordPress plugin before 1.0.17 does not sanitise and escape the domain parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting issue

Affected products

• Domaincheckplugin Domain Check: before 1.0.17 (fixed in 1.0.17)

Published 2022-02-01. Last modified 2026-06-17.