Is CVE-2026-90821 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-90821?

CVE-2026-90821 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-90821

Description

An input neutralization vulnerability in the Webhook URL form field component of Crafty Controller allows a remote, authenticated attacker to perform stored XSS via malicious form input