Is CVE-2026-72730 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-72730?

CVE-2026-72730 has a CVSS v3 severity of HIGH (8.7).

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CVE-2026-72730

Description

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, the Rich Text Editor rendered a chat-transcript username as HTML, allowing stored cross-site scripting. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.