What’s Vulnerable › Vulnerabilities

CVE-2017-20257: Joomla! Component Quiz Deluxe 3.7.4 SQL Injection

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-06-19 · updated 2026-08-19
• Weakness: CWE-89

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.

Affected products

• Joomplace Quiz Deluxe: 3.7.4

References

• http://joomplace.com/
• https://extensions.joomla.org/extensions/extension/living/education-a-culture/quiz-deluxe/
• https://www.exploit-db.com/exploits/42589
• https://www.vulncheck.com/advisories/joomla-component-quiz-deluxe-sql-injection

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