CVE-2026-90821
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Crafty Controller
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Crafty Controller
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
- Record
CVE-2026-90821- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-102872
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
- Record
EUVD-2026-102872- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v36h-wgjh-vc9p
An input neutralization vulnerability in the Webhook URL form field component of Crafty...
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
- Record
GHSA-v36h-wgjh-vc9p- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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
- Record
CVE-2026-90821- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Crafty Controller
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
- Record
CVE-2026-90821- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-90821 is a medium vulnerability (CVSS 5.4) in Arcadia Technology, Llc Crafty Controller, published October 16, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.