CVE-2017-20262

Joomla! Component Ajax Quiz 1.8 SQL Injection

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.

Affected

Webkul · Ajax Quiz

CVSS v4.0 VULNCHECK

8.8 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULNCHECK

8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS

0.49% chance of exploitation in the next 30 days, 41st percentile

Published

2026-06-19

Updated

2026-06-23

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/42532

Security advisories

• https://www.vulncheck.com/advisories/joomla-component-ajax-quiz-sql-injection
• http://webkul.com
• https://extensions.joomla.org/extensions/extension/living/education-a-culture/ajaxquiz

References

• CVE Record
• NVD entry