CVE-2026-9809: Mautic has Stored Cross-Site Scripting (XSS) in Projects Component

July 2, 2026

A stored Cross-Site Scripting (XSS) vulnerability exists in the Projects component of Mautic 7. When displaying project tags and popovers on administrative detail views (such as campaigns, emails, or forms), user-supplied project names are rendered without proper sanitization. An authenticated user with permissions to create or edit projects can exploit this to inject malicious script payloads.

References

github.com/advisories/GHSA-7h65-whp7-rgqf
github.com/mautic/mautic/security/advisories/GHSA-7h65-whp7-rgqf
nvd.nist.gov/vuln/detail/CVE-2026-9809

Code Behaviors & Features

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