CVE-2017-20268

8.8 highEPSS 0.5%

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.

Severity

CVSS 4.0

8.8 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

8.2 high

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-89
Published: 2026-06-19
Modified: 2026-08-21
Record from: the NVD, synced 2026-10-19

Affected

zcontent:zap_calendar_lite

References

https://extensions.joomla.org/extensions/extension/calendars-a-events/events/zap-calendar-lite/
https://www.exploit-db.com/exploits/42500
https://www.vulncheck.com/advisories/joomla-component-zap-calendar-lite-sql-injection
https://zcontent.net/

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