{"id":"CVE-2026-26483","details":"Mettle SendPortal 3.0.1 and earlier contains a stored cross-site scripting (XSS) vulnerability in the template management functionality. The application fails to properly sanitize user-supplied input in the content parameter of the /templates endpoint, allowing an attacker to persistently inject malicious JavaScript code that is executed in the browsers of users who access the affected template.","modified":"2026-10-28T02:31:09.261180978Z","published":"2026-07-20T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26483.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://gist.github.com/WinBlah12/8dbc1eae788945c6ea6ab1a2cdfd7cb1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26483.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26483"},{"type":"PACKAGE","url":"https://github.com/mettle/sendportal"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mettle/sendportal","events":[{"introduced":"0"},{"last_affected":"6652906992cd7b7e5d4bb2b1f64dba6a8b953293"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0"},{"last_affected":"3.0.1"}],"source":"DESCRIPTION"}]}}],"versions":["v3.0.1","v3.0.0","v2.0.4","v2.0.3","v2.0.1","v2.0.2","v2.0.0","v1.0.3","v1.0.2","v1.0.1","v1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26483.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}