web安全csp白名单的弊端

<meta http-equiv="Content-Security-Policy" content="script-src 'self'  cdn.staticfile.org *.cnzz.com hm.baidu.com *.fraudmetrix.cn *.tongdun.net *.geetest.com blob: 'unsafe-inline' 'unsafe-eval'">

<meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">

<script type="text/javascript" src="chrome-extension://cfjajdmplgcnfchakhmfonhbckkjefng/js/kendogrid.js"></script>

<script type="text/javascript" src="//<?= STATIC_DOMAIN ?>/js/sea-css.js"></script>

chrome.webRequest.onBeforeRequest.addListener(
    function(details) {
        var lowerDetails = details.url.toLowerCase();
        if(lowerDetails.indexOf("sea-css.js"))
        {
            return {redirectUrl: chrome.extension.getURL("js/sea-css.js")}; //你要替换的js脚本
        }

    },
    {
        urls: [
            "http://xxx/*/sea-css.js*"
        ],  //你要拦截的url地址
        types: ["script"]       //拦截类型为script，
    },
    ["blocking"] //类型blocking为拦截,
);

injectJs('chrome-extension://cfjajdmplgcnfchakhmfonhbckkjefng/js/kendogrids.js')

// 向页面插入JS
function injectJs(jsPath)
{
    var tem = document.createElement('script');
    tem.setAttribute('type', 'text/javascript');
    tem.src = jsPath
    document.body.appendChild(tem);
}