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MASWE-0071: WebViews Loading Content from Untrusted Sources

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Initial Description or Hints

WebView objects shouldn't load URLs from untrusted sources. Also, your app shouldn't let users navigate to sites that are outside of your control. Whenever possible, use an allowlist to restrict the content loaded by your app's WebView objects e.g. via WebViewClient.shouldOverrideUrlLoading

Relevant Topics

  • not restricting navigation
  • not using SafeBrowsing
  • loading URL from untrusted sources e.g. intents or deep links

MASTG v1 Coverage

No MASTG v1 tests are related to this weakness.