CVE-2017-20268 Joomla! Component Zap Calendar Lite 4.3.4 SQL Injection
Unauthenticated attackers can execute arbitrary SQL queries via the 'eid' parameter to extract sensitive database information from the Zap Calendar Lite plugin.
- 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-2017-20268?
CVE-2017-20268 is a high-severity SQL injection vulnerability in Zcontent Zap Calendar Lite, 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 Zap Calendar Lite 4.3.4 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the 'eid' parameter. Attackers can send GET requests to the RSVP plugin endpoint with crafted SQL payloads to extract sensitive database information including database names and table structures.
Weakness: CWE-89
Which versions are affected by CVE-2017-20268?
It affects 1 product.
Products include Zcontent Zap Calendar Lite.
How do I fix CVE-2017-20268?
No fix has been published for CVE-2017-20268 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-2017-20268 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20268 exists.
Sources
Also known as GHSA-x898-q68v-j6xv.