---
id: CVE-2026-90821
title: >-
  Improper Neutralization of Input During Web Page Generation ('Cross-site
  Scripting') in Crafty Controller
summary: >-
  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
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-79
vendor: 'Arcadia Technology, LLC'
product: Crafty Controller
affected:
  - crafty_controller >= 4.2.0 < 4.11.0
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T13:37:40.079Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-90821'
references:
  - url: 'https://gitlab.com/crafty-controller/crafty-4/-/work_items/745'
tags:
  - cve.org
ingestedAt: '2026-10-16T14:07:42.844Z'
---

## Overview

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

## Affected

- `crafty_controller >= 4.2.0 < 4.11.0`

## Remediation

Upgrade to version 4.11.0