SQL Injection in Webkul Ajax Quiz
CVE-2017-20262
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.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (39.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
- Webkul Ajax Quiz — versions 1.8
- Webkul Ajax Quiz — versions 1.8
Weakness classification (CWE)
References
- webkul.com/ (Product, product)
- extensions.joomla.org/extensions/extension/living/education-a-culture/ajaxquiz/ (Product, product)
- www.exploit-db.com/exploits/42532 (Exploit, VDB Entry, exploit)
- www.vulncheck.com/advisories/joomla-component-ajax-quiz-sql-injection (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2017-20262?
- CVE-2017-20262 is a high-severity vulnerability in Webkul Ajax Quiz, classified under SQL Injection. CVSS score: 8.2/10. Published 2026-06-19.
- How severe is CVE-2017-20262?
- High severity. CVSS v3 base score is 8.2 out of 10.