CVE-2017-20257
High
Description
Joomla! Component Quiz Deluxe 3.7.4 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL commands through the ajaxaction.flag_question task. Attackers can inject malicious SQL code via the stu_quiz_id or flag_quest parameters to manipulate database queries and extract sensitive information.
SeverityHigh
CVSS8.2
Exploit probability—
ProductJoomplace Quiz Deluxe
PublishedJun 19, 2026
First seenJun 19, 2026
Weakness typeCWE-89SQL injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| joomplace quiz_deluxe | 3.7.4 | — |
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