{"id":"CVE-2026-56731","summary":"Zammad: Cross-Site Scripting in Ticket Notifications","details":"Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a low-privilege authenticated user may inject arbitrary HTML markup, including JavaScript event handlers, into a ticket title via the standard ticket creation workflow. The title is persisted without sanitization. This issue is fixed in version 7.0.1.","aliases":["GHSA-p9xp-gx8r-4397"],"modified":"2026-09-26T11:30:58.149851602Z","published":"2026-09-25T17:04:50.332Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56731.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56731.json"},{"type":"FIX","url":"https://github.com/zammad/zammad/commit/16a4a2e1be6642ec0c3ba3a76e358ad065f48f78"},{"type":"ADVISORY","url":"https://github.com/zammad/zammad/security/advisories/GHSA-p9xp-gx8r-4397"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56731"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zammad/zammad","events":[{"introduced":"0"},{"fixed":"6a5ac49588022c610896a50516dc5876ac1f24b9"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"7.0.1"}],"source":"AFFECTED_FIELD"}}],"versions":["7.0.0","7.0.0-alpha","6.6.0-alpha","6.5.0-alpha","6.4.0-alpha","6.3.0-alpha","6.2.0-alpha","6.1.0-alpha","6.0.0-alpha","5.5.0-alpha","5.4.0-alpha","5.3.0-alpha","5.2.0-alpha","3.7.0","1.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56731.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N"}]}