{"id":"CVE-2017-20268","title":"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","summary":"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 requ…","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","cwe":["CWE-89"],"vendor":"zcontent","product":"zap_calendar_lite","affected":["zap_calendar_lite = 4.3.4"],"published":"2026-06-19","updated":"2026-08-21","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2017-20268","references":[{"url":"https://extensions.joomla.org/extensions/extension/calendars-a-events/events/zap-calendar-lite/","label":"disclosure@vulncheck.com"},{"url":"https://www.exploit-db.com/exploits/42500","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/joomla-component-zap-calendar-lite-sql-injection","label":"disclosure@vulncheck.com"},{"url":"https://zcontent.net/","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00331,"epssPercentile":0.26471,"ingestedAt":"2026-08-22T13:32:34.589Z","slug":"CVE-2017-20268","body":"## Overview\n\nJoomla! 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.\n\n## Affected\n\n- `zap_calendar_lite = 4.3.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}