CVE-2017-20257

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.

CVSS v3 8.2 HIGH

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

19 Jun 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-19 16:16

Updated : 2026-06-22 18:35

NVD link : CVE-2017-20257

Mitre link : CVE-2017-20257

CVE.ORG link : CVE-2017-20257

JSON object : View

Products Affected

No product.

CWE

CWE-89

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

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