  void ExpectFieldValue(const std::string& field_name,
                        const std::string& expected_value) {
    std::string value;
    ASSERT_TRUE(content::ExecuteScriptAndExtractString(
        browser()->tab_strip_model()->GetActiveWebContents(),
        "window.domAutomationController.send("
        "    document.getElementById('" + field_name + "').value);",
        &value));
    EXPECT_EQ(expected_value, value);
  }

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.