CVE-2026-73531

Medium

Description

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 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.

SeverityMedium

CVSS6.1

Exploit probability—

ProductDjango-helpdesk

PublishedAug 13, 2026

First seenAug 13, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

django-helpdesk django-helpdesk2.3.3 or later

Vendor advisories

github.com/django-helpdesk/django-helpdesk/security/advisories/GHSA-q46c-8w98-fq2g

Affected products

Product	Affected versions	Fixed in
django-helpdesk django-helpdesk	v < 2.3.3	2.3.3

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