CVE-2026-56731 — Zammad: Cross-Site Scripting in Ticket Notifications
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 eve…
Published: 2026-09-25 · CVSS: 8.4 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7