    function test_html_xss3()
    {
        // #1488850
        $html = '<p><a href="data:text/html,&lt;script&gt;alert(document.cookie)&lt;/script&gt;">Firefox</a>'
            .'<a href="vbscript:alert(document.cookie)">Internet Explorer</a></p>';
        $washed = rcmail_wash_html($html, array('safe' => true), array());

        $this->assertNotRegExp('/data:text/', $washed, "Remove data:text/html links");
        $this->assertNotRegExp('/vbscript:/', $washed, "Remove vbscript: links");
    }
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.