CVE-2017-20268

HIGH 8.2CVE-2017-20268 · Published 19/06/2026 · updated 21/08/2026

In short

CVE-2017-20268 is a HIGH (CVSS 8.2) vulnerability affecting zap calendar lite (zcontent).
Chance of exploitation in the next 30 days (EPSS): 0.49%, higher than 42.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
zap calendar lite zcontent	`= 4.3.4`	No fix yet

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.

References

extensions.joomla.org/extensions/extension/calendars-a-events/events/zap-calendar-lite · Product
exploit-db.com/exploits/42500 · Exploit
vulncheck.com/advisories/joomla-component-zap-calendar-lite-sql-injection · Third Party Advisory
zcontent.net · Product

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