{"id":"CVE-2026-77506","title":"Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS.","summary":"Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS.","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"published":"2026-08-20","updated":"2026-09-09","sourceUpdated":"2026-09-09T16:04:24.933","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77506","references":[{"url":"https://www.znuny.org/en/advisories/zsa-2026-12","label":"cve@mitre.org"}],"tags":["nvd"],"epss":0.00254,"epssPercentile":0.17187,"ingestedAt":"2026-09-09T16:14:05.514Z","slug":"CVE-2026-77506","body":"## Overview\n\nZnuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}