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Back to active CVEs
Medium · CVSS 5.4CVE-2026-90821

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Crafty ControllerCVE-2026-90821

Answer in brief

CVE-2026-90821 records a Medium severity (CVSS 5.4) vulnerability in Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Crafty Controller. The current sources do not mark it as known exploited. The current feed maps Arcadia Technology, LLC/Crafty Controller (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 16, 2026Updated Oct 16, 2026Source checked Oct 16, 2026First seen by HOL Oct 16, 2026Material review Oct 16, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.4
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 5.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Arcadia Technology, LLC/Crafty Controller (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Arcadia Technology, LLC/Crafty Controllergeneric>=4.2.0 <4.11.04.11.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Arcadia Technology, LLC/Crafty Controller.
  2. 2Review the reported fix. Source-reported solution: Upgrade to version 4.11.0

Evidence timeline and material changes

  1. Published upstream

    Oct 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 16, 2026

Sources and claim methodology

  • Source referencegitlab.com
Upstream source 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

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Improper Encoding or Escaping of Output in Crafty ControllerSame arcadia technology, llc/crafty controller package
  • WordPress The Events Calendar plugin <= 6.18.1 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • WordPress PowerPack Addons for Elementor plugin <= 3.1.0 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • WordPress MapSVG plugin <= 8.16.1 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • Tourfic <= 3.0.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Comment Content via unfiltered_html Grant to Customer RoleAlso CWE-79
  • J4Care dcm4che Inefficient Algorithmic ComplexitySame generic ecosystem

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 16, 2026
References
1 linked source
Open source record