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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.

PUBLISHED Reserved 2026-06-19 | Published 2026-06-19 | Updated 2026-06-22 | Assigner VulnCheck




HIGH: 8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
HIGH: 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Problem types

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Product status

3.7.4
affected

Credits

Ihsan Sencan finder

References

www.exploit-db.com/exploits/42589 (ExploitDB-42589) exploit

joomplace.com/ (Official Product Homepage) product

extensions.joomla.org/...ng/education-a-culture/quiz-deluxe/ (Product Reference) product

www.vulncheck.com/...mla-component-quiz-deluxe-sql-injection (VulnCheck Advisory: Joomla! Component Quiz Deluxe 3.7.4 SQL Injection) third-party-advisory

cve.org (CVE-2017-20257)

nvd.nist.gov (CVE-2017-20257)

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