{"id":"CVE-2020-16193","title":"osTicket before 1.14.3 allows XSS because include/staff/banrule.inc.php has an unvalidated echo $info['notes'] call.","summary":"osTicket before 1.14.3 allows XSS because include/staff/banrule.inc.php has an unvalidated echo $info['notes'] call.","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"enhancesoft","product":"osticket","affected":["osticket < 1.14.3"],"patched":["osticket 1.14.3"],"published":"2020-08-26","updated":"2026-07-10","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-16193","references":[{"url":"https://github.com/osTicket/osTicket/blob/develop/include/staff/banrule.inc.php#L67","label":"cve@mitre.org"},{"url":"https://github.com/osTicket/osTicket/pull/5616/commits/fb570820ef1138776f929a179906e1d8089179d9","label":"cve@mitre.org"},{"url":"https://github.com/osTicket/osTicket/blob/develop/include/staff/banrule.inc.php#L67","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/osTicket/osTicket/pull/5616/commits/fb570820ef1138776f929a179906e1d8089179d9","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00587,"epssPercentile":0.45673,"ingestedAt":"2026-07-10T19:05:51.221Z","slug":"CVE-2020-16193","body":"## Overview\n\nosTicket before 1.14.3 allows XSS because include/staff/banrule.inc.php has an unvalidated echo $info['notes'] call.\n\n## Affected\n\n- `osticket < 1.14.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `osticket 1.14.3`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}