CVE-2017-20262: Webkul AJAX Quiz

High severity, CVSS 8.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Joomla! Component Ajax Quiz 1.8 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the cid parameter. Attackers can send GET requests to index.php with the option=com_ajaxquiz and view=ajaxquiz parameters to extract sensitive database information including table names and column structures.

Affected products

• Webkul AJAX Quiz: version 1.8 only

Published 2026-06-19. Last modified 2026-08-19.