CVE-2017-20268

high

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

https://zcontent.net/

https://www.vulncheck.com/advisories/joomla-component-zap-calendar-lite-sql-injection

https://www.exploit-db.com/exploits/42500

https://extensions.joomla.org/extensions/extension/calendars-a-events/events/zap-calendar-lite/

Details

Source: Mitre, NVD

Published: 2026-06-19

Updated: 2026-06-23

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 8.2

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

Severity: High

CVSS v4

Base Score: 8.8

Vector: 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

Severity: High

EPSS

EPSS: 0.0027