{"id":"CVE-2026-73531","title":"django-helpdesk before 2.3.3 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject arbitrary JavaScript by submitting HTML-formatted email messages or uploading .html/.htm file attachments t…","summary":"django-helpdesk before 2.3.3 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject arbitrary JavaScript by submitting HTML-formatted email messages or uploading .html/.htm file attachments t…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"published":"2026-08-13","updated":"2026-09-09","sourceUpdated":"2026-09-09T20:35:08.537","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73531","references":[{"url":"https://github.com/django-helpdesk/django-helpdesk/security/advisories/GHSA-q46c-8w98-fq2g","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/django-helpdesk-stored-xss-via-html-attachments","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00205,"epssPercentile":0.10778,"ingestedAt":"2026-09-09T21:22:45.534Z","slug":"CVE-2026-73531","body":"## Overview\n\ndjango-helpdesk before 2.3.3 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject arbitrary JavaScript by submitting HTML-formatted email messages or uploading .html/.htm file attachments through public ticket submission channels. Attackers can exploit the lack of sanitization and Content-Disposition headers at the attachment-serving layer to execute malicious scripts in the browser session of authenticated staff members who open the attachment while triaging tickets.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}