CVE-2017-20257 - CVE House
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Status published High CVE-2017-20257

Joomla! Component Quiz Deluxe 3.7.4 SQL Injection

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ihsan Sencan

Affected Vendor

Affected Software

Quiz Deluxe
Vulnerable Versions:
3.7.4

Timeline

Official Publish: June 19th, 2026
Last Modified: June 22nd, 2026
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Weaknesses (CWE)