{"id":"CVE-2017-20273","title":"Joomla Event Registration Pro Calendar 4.1.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the id parameter","summary":"Joomla Event Registration Pro Calendar 4.1.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the id 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":"joomalshowroom","product":"event_registration_pro_calendar","affected":["event_registration_pro_calendar = 4.1.3"],"published":"2026-06-19","updated":"2026-08-21","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2017-20273","references":[{"url":"https://www.exploit-db.com/exploits/42416","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/joomla-event-registration-pro-calendar-sql-injection","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00294,"epssPercentile":0.22173,"ingestedAt":"2026-08-22T13:32:34.784Z","slug":"CVE-2017-20273","body":"## Overview\n\nJoomla Event Registration Pro Calendar 4.1.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the id parameter. Attackers can send GET requests to index.php with option=com_registrationpro&view=category&id parameter containing SQL injection payloads to extract sensitive database information.\n\n## Affected\n\n- `event_registration_pro_calendar = 4.1.3`\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":[]}