Known vulnerabilities in HD Quiz

Create a Quiz. An easy-to-use feature rich plugin to create quizzes with quiz timer, pagination, hints, advanced marking, and leading help and support

5Reported vulnerabilities

5.4Highest CVSS score

2.2.2Latest version

7,000+Active installs

What to do now

Update HD Quiz to 2.2.2 or later. 5 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 16, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2021-24571	Medium 5.4	0.6%	Before 1.8.4	`1.8.4`	August 23, 2021
CVE-2024-13383	Medium 4.8	0.3%	Before 2.0.0	`2.0.0`	May 15, 2025
CVE-2024-22161	Medium 4.4	0.3%	1.8.11 and earlier	`1.8.12`	January 16, 2024
CVE-2026-13422	Medium 4.3	0.3%	2.2.0 to 2.2.1 (inclusive)	`2.2.2`	June 27, 2026
CVE-2026-24544	Medium 4.3	0.2%	2.0.9 and earlier	`2.0.10`	January 24, 2026

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.