CVE intelligence and bounded remediation

CVE-2021-35483 — Nokia Impact security vulnerability

Medium CVSS 4.1

The Applications component of Nokia IMPACT version through 19.11.2.10-20210118042150283 allows an authenticated user to arbitrarily upload JavaScript files via the /ui/rest-proxy/application fileupload parameter. This can occur during the adding of a new application, or during the editing of an existing one. If an authenticated user visits the web page where the file is published, the JavaScript code is executed.

Severity
Medium
CVSS
4.1 (3.1)
Published
2026-03-03
CISA KEV
Not currently listed
Ecosystem
javascript/npm
Weaknesses
CWE-79

Affected products

  • nokia / impact

Matched remediation archetype

Cross-site scripting and unsafe browser output

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Check exposure

  • Trace reflected, stored, and DOM-derived untrusted values into HTML, attributes, URLs, styles, scripts, and client-side template sinks.
  • Identify affected origins, authenticated user roles, sensitive browser capabilities, and where content is shared across tenants.
  • Review framework escaping, rich-text sanitization, legacy templates, and client-side rendering paths.

Remediate safely

  • Use context-aware framework output encoding and safe DOM APIs; keep untrusted data out of executable contexts.
  • Sanitize intentionally supported markup with a maintained allowlist policy and validate URLs and attributes separately.
  • Update affected rendering components and add tests for every output context using inert sentinel markup.

Authoritative sources

Complete CVE record and remediation plan

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