TI-2026-75320 Aliases CVE-2026-90821

Stored cross-site scripting in Crafty Controller Webhook URL field

LOW 24CWE-79Published 2026-10-16 · Updated 2026-10-16

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Crafty Controller from 4.2.0 before 4.11.0 contains an input neutralization flaw in the Webhook URL form field, classified as CWE-79. A remote attacker with low privileges can store malicious script in that field, which runs in the browser of a user who views it, and user interaction is required.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00158 5th percentileScored 2026-11-07

Fix Fixed Crafty Controller (Arcadia Technology, LLC): 4.11.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Arcadia Technology, LLC	Crafty Controller	4.2.0 to before 4.11.0	4.11.0	Patch available	CNA

Crafty Controller VendorArcadia Technology, LLC Affected 4.2.0 to before 4.11.0 Fixed in 4.11.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:craftycontrol:crafty_controller::::::::	—	—	Arcadia Technology, LLC

cpe:2.3:a:craftycontrol:crafty_controller:*:*:*:*:*:*:*:* Versions — — ·Arcadia Technology, LLC

Remediation

Crafty Controller users should upgrade to version 4.11.0 or later, which fixes this issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fix · CNA Crafty Controller (Arcadia Technology, LLC) Fixed in 4.11.0

Timeline

2026-10-16 Threatist record created from CVE-2026-90821

References

Other 1

https://gitlab.com/crafty-controller/crafty-4/-/work_items/745

TI-2026-04960 Authorization Bypass Through User-Controlled Key in Crafty Controller CVSS 3.1CRITICAL 9.0
TI-2026-11563 Path Traversal: '.../...//' in Crafty Controller CVSS 3.1CRITICAL 9.1
TI-2025-13422 Improper Neutralization of Special Elements Used in a Template Engine in Crafty Controller CVSS 3.1CRITICAL 9.9
TI-2026-00729 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Crafty Controller CVSS 3.1CRITICAL 9.9
TI-2026-75319 Improper output escaping in Crafty Controller audit logs enables stored XSS CVSS 3.1CRITICAL 9.6
TI-2026-00587 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Crafty Controller CVSS 3.1HIGH 8.8

See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences