CVE-2017-20262 Joomla! Component Ajax Quiz 1.8 SQL Injection
Unauthenticated attackers can execute arbitrary SQL queries via the cid parameter to extract sensitive database information from the Joomla Ajax Quiz component.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-20262?
CVE-2017-20262 is a high-severity SQL injection vulnerability in Webkul Ajax Quiz, published on 19 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2017-20262?
It affects 1 product.
Products include Webkul Ajax Quiz.
How do I fix CVE-2017-20262?
No fix has been published for CVE-2017-20262 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2017-20262 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20262 exists.
Sources
Also known as GHSA-mw2w-cp8x-hqqh.