CVE intelligence and bounded remediation

CVE-2022-1582 — Webfactoryltd External Links In New Window / New Tab security vulnerability

Medium CVSS 6.1

The External Links in New Window / New Tab WordPress plugin before 1.43 does not properly escape URLs it concatenates to onclick event handlers, which makes Stored Cross-Site Scripting attacks possible.

Severity
Medium
CVSS
6.1 (3.1)
Published
2022-05-30
CISA KEV
Not currently listed
Ecosystem
php/wordpress
Weaknesses
CWE-79

Affected products

  • webfactoryltd / external_links_in_new_window_/_new_tab

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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