CVE-2026-56731
High
Description
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.
SeverityHigh
CVSS8.4
Exploit probability—
Product
Zammad
PublishedSep 25, 2026
First seenSep 25, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zammad zammad | < 7.0.1 | — |
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