CVE-2021-24571: Harmonicdesign Hd Quiz

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

The HD Quiz WordPress plugin before 1.8.4 does not escape some of its Answers before outputting them in attribute when generating the Quiz, which could lead to Stored Cross-Site Scripting issues

Affected products

Published 2021-08-23. Last modified 2026-06-17.