CVE-2017-20262

HIGH CVSS 4.0: 8.8 EPSS 0.41%
Updated Aug 19, 2026
Joomla
Parameter Value
CVSS 8.8 (HIGH)
Type CWE-89 (SQL Injection)
Vendor Joomla
Public PoC Yes

Joomla! Component Ajax Quiz 1.8 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the cid parameter. Attackers can send GET requests to index.php with the option=com_ajaxquiz and view=ajaxquiz parameters to extract sensitive database information including table names and column structures.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Webkul Ajax_Quiz
cpe:2.3:a:webkul:ajax_quiz:1.8:*:*:*:*:joomla\!:*:*