{"id":479735,"date":"2023-08-09T10:43:58","date_gmt":"2023-08-09T10:43:58","guid":{"rendered":""},"modified":"2023-09-05T11:19:27","modified_gmt":"2023-09-05T11:19:27","slug":"xss","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/xss\/","title":{"rendered":"XSS"},"content":{"rendered":"<p>Genel olarak XSS olarak bilinen Siteler Aras\u0131 Komut Dosyas\u0131 \u00c7al\u0131\u015ft\u0131rma, genellikle web uygulamalar\u0131nda bulunan bir t\u00fcr g\u00fcvenlik a\u00e7\u0131\u011f\u0131d\u0131r. Sald\u0131rganlar\u0131n, di\u011fer kullan\u0131c\u0131lar taraf\u0131ndan g\u00f6r\u00fcnt\u00fclenen web sayfalar\u0131na k\u00f6t\u00fc ama\u00e7l\u0131 istemci taraf\u0131 komut dosyalar\u0131 eklemesine olanak tan\u0131r. Bu komut dosyalar\u0131 eri\u015fim kontrollerini atlayabilir ve kimli\u011fi do\u011frulanm\u0131\u015f kullan\u0131c\u0131lar ad\u0131na, onlar\u0131n bilgisi olmadan eylemler ger\u00e7ekle\u015ftirebilir.<\/p>\n<h2>XSS&#039;nin Tarih\u00e7esi ve \u0130lk S\u00f6z\u00fc<\/h2>\n<p>Siteler Aras\u0131 Komut Dosyas\u0131n\u0131n k\u00f6keni \u0130nternet&#039;in ilk g\u00fcnlerine kadar uzanabilir. XSS&#039;den bilinen ilk s\u00f6z, Microsoft&#039;un Internet Explorer&#039;da bir hata bildirdi\u011fi 1999 y\u0131l\u0131nda ortaya \u00e7\u0131kt\u0131. O g\u00fcnden bu yana XSS&#039;in anla\u015f\u0131lmas\u0131 artt\u0131 ve en yayg\u0131n web g\u00fcvenli\u011fi a\u00e7\u0131klar\u0131ndan biri haline geldi.<\/p>\n<h2>XSS Hakk\u0131nda Detayl\u0131 Bilgi<\/h2>\n<p>Siteler Aras\u0131 Komut Dosyas\u0131, web sitesinin kendisinden ziyade web sitesinin kullan\u0131c\u0131lar\u0131n\u0131 hedefler. Sald\u0131rganlar, k\u00f6t\u00fc ama\u00e7l\u0131 kod y\u00fcr\u00fctmek i\u00e7in yeterince korunmayan web uygulamalar\u0131ndan yararlan\u0131r. Bu, siber su\u00e7lular\u0131n ki\u015fisel bilgileri \u00e7almas\u0131, kullan\u0131c\u0131 oturumlar\u0131n\u0131 ele ge\u00e7irmesi veya kullan\u0131c\u0131lar\u0131 sahte sitelere y\u00f6nlendirmesi i\u00e7in cazip bir y\u00f6ntemdir.<\/p>\n<h3>XSS Konusunu Geni\u015fletmek<\/h3>\n<p>XSS yaln\u0131zca tek bir tehdit de\u011fil, ayn\u0131 zamanda potansiyel sald\u0131r\u0131lar\u0131n bir kategorisidir. XSS anlay\u0131\u015f\u0131, web teknolojilerinin geli\u015fmesiyle birlikte b\u00fcy\u00fcm\u00fc\u015f ve art\u0131k \u00e7e\u015fitli teknik ve stratejileri kapsamaktad\u0131r.<\/p>\n<h2>XSS&#039;nin \u0130\u00e7 Yap\u0131s\u0131<\/h2>\n<p>XSS, bir web sitesinin komut dosyalar\u0131n\u0131 de\u011fi\u015ftirerek, bir sald\u0131rgan\u0131n k\u00f6t\u00fc ama\u00e7l\u0131 kod eklemesine olanak tan\u0131yarak \u00e7al\u0131\u015f\u0131r. Genel olarak \u015fu \u015fekilde \u00e7al\u0131\u015f\u0131r:<\/p>\n<ol>\n<li><strong>Kullan\u0131c\u0131 Giri\u015f \u0130\u015flemleri<\/strong>: Sald\u0131rgan, kullan\u0131c\u0131 girdisini d\u00fczg\u00fcn \u015fekilde do\u011frulamayan veya kullan\u0131c\u0131 giri\u015fini atlamayan bir web sitesi g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131 belirler.<\/li>\n<li><strong>Y\u00fck Olu\u015fturma<\/strong>: Sald\u0131rgan, site kodunun bir par\u00e7as\u0131 olarak y\u00fcr\u00fct\u00fclebilecek k\u00f6t\u00fc ama\u00e7l\u0131 bir komut dosyas\u0131 olu\u015fturur.<\/li>\n<li><strong>Enjeksiyon<\/strong>: Haz\u0131rlanan komut dosyas\u0131, web sayfas\u0131na yerle\u015ftirilece\u011fi sunucuya g\u00f6nderilir.<\/li>\n<li><strong>Uygulamak<\/strong>: Ba\u015fka bir kullan\u0131c\u0131 etkilenen sayfay\u0131 g\u00f6r\u00fcnt\u00fcledi\u011finde, komut dosyas\u0131 sald\u0131rgan\u0131n ama\u00e7lad\u0131\u011f\u0131 eylemi ger\u00e7ekle\u015ftirerek taray\u0131c\u0131s\u0131nda y\u00fcr\u00fct\u00fcl\u00fcr.<\/li>\n<\/ol>\n<h2>XSS&#039;nin Temel \u00d6zelliklerinin Analizi<\/h2>\n<ul>\n<li><strong>Aldat\u0131c\u0131 Do\u011fa<\/strong>: Genellikle kullan\u0131c\u0131lar taraf\u0131ndan g\u00f6r\u00fclmez.<\/li>\n<li><strong>Kullan\u0131c\u0131lar\u0131 Hedefleme<\/strong>: Sunucular\u0131 de\u011fil kullan\u0131c\u0131lar\u0131 etkiler.<\/li>\n<li><strong>Taray\u0131c\u0131lara Ba\u011f\u0131ml\u0131l\u0131k<\/strong>: Kullan\u0131c\u0131n\u0131n taray\u0131c\u0131s\u0131nda y\u00fcr\u00fct\u00fcl\u00fcr.<\/li>\n<li><strong>Tespit edilmesi zor<\/strong>: Geleneksel g\u00fcvenlik \u00f6nlemlerinden ka\u00e7abilir.<\/li>\n<li><strong>Potansiyel etki<\/strong>: Kimlik h\u0131rs\u0131zl\u0131\u011f\u0131na, mali kayba veya yetkisiz eri\u015fime yol a\u00e7abilir.<\/li>\n<\/ul>\n<h2>XSS T\u00fcrleri<\/h2>\n<p>A\u015fa\u011f\u0131da birincil XSS sald\u0131r\u0131 t\u00fcrlerini \u00f6zetleyen bir tablo bulunmaktad\u0131r:<\/p>\n<table>\n<thead>\n<tr>\n<th>Tip<\/th>\n<th>Tan\u0131m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Saklanan XSS<\/td>\n<td>K\u00f6t\u00fc ama\u00e7l\u0131 komut dosyas\u0131, hedef sunucuda kal\u0131c\u0131 olarak depolan\u0131r.<\/td>\n<\/tr>\n<tr>\n<td>Yans\u0131yan XSS<\/td>\n<td>K\u00f6t\u00fc ama\u00e7l\u0131 komut dosyas\u0131 bir URL&#039;ye g\u00f6m\u00fcl\u00fcd\u00fcr ve yaln\u0131zca ba\u011flant\u0131 t\u0131kland\u0131\u011f\u0131nda \u00e7al\u0131\u015f\u0131r.<\/td>\n<\/tr>\n<tr>\n<td>DOM tabanl\u0131 XSS<\/td>\n<td>K\u00f6t\u00fc ama\u00e7l\u0131 komut dosyas\u0131, web sayfas\u0131n\u0131n Belge Nesne Modelini (DOM) de\u011fi\u015ftirerek yap\u0131s\u0131n\u0131 veya i\u00e7eri\u011fini de\u011fi\u015ftirir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>XSS&#039;yi Kullanma Yollar\u0131, Sorunlar ve \u00c7\u00f6z\u00fcmleri<\/h2>\n<h3>Kullan\u0131m Yollar\u0131<\/h3>\n<ul>\n<li>\u00c7erezleri \u00c7almak<\/li>\n<li>Kimlik Av\u0131 Sald\u0131r\u0131lar\u0131<\/li>\n<li>K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131m Da\u011f\u0131tma<\/li>\n<\/ul>\n<h3>Sorunlar<\/h3>\n<ul>\n<li>Veri h\u0131rs\u0131zl\u0131\u011f\u0131<\/li>\n<li>Gizlilik \u0130hlali<\/li>\n<li>Hukuki sonu\u00e7lar\u0131<\/li>\n<\/ul>\n<h3>\u00c7\u00f6z\u00fcmler<\/h3>\n<ul>\n<li>Giri\u015f Do\u011frulamas\u0131<\/li>\n<li>\u0130\u00e7erik G\u00fcvenli\u011fi Politikalar\u0131<\/li>\n<li>D\u00fczenli G\u00fcvenlik Denetimleri<\/li>\n<\/ul>\n<h2>Ana \u00d6zellikler ve Kar\u015f\u0131la\u015ft\u0131rmalar<\/h2>\n<p>XSS&#039;yi SQL Injection, CSRF gibi di\u011fer web g\u00fcvenlik a\u00e7\u0131klar\u0131yla kar\u015f\u0131la\u015ft\u0131rmak:<\/p>\n<ul>\n<li><strong>XSS<\/strong>: Kullan\u0131c\u0131lara sald\u0131r\u0131r, komut dosyalar\u0131na, genellikle de JavaScript&#039;e g\u00fcvenir.<\/li>\n<li><strong>SQL Enjeksiyonu<\/strong>: Hatal\u0131 bi\u00e7imlendirilmi\u015f SQL sorgular\u0131n\u0131 kullanarak veritaban\u0131na sald\u0131r\u0131r.<\/li>\n<li><strong>CSRF<\/strong>: Kullan\u0131c\u0131lar\u0131 r\u0131zalar\u0131 olmadan istenmeyen eylemler ger\u00e7ekle\u015ftirmeleri i\u00e7in kand\u0131r\u0131r.<\/li>\n<\/ul>\n<h2>XSS ile \u0130lgili Gelece\u011fin Perspektifleri ve Teknolojileri<\/h2>\n<p>XSS sald\u0131r\u0131lar\u0131n\u0131 tespit etmek ve \u00f6nlemek i\u00e7in Yapay Zeka (AI) ve Makine \u00d6\u011frenimi (ML) gibi geli\u015fen teknolojiler kullan\u0131l\u0131yor. Web uygulamalar\u0131n\u0131n genel g\u00fcvenli\u011fini art\u0131rmak i\u00e7in yeni web standartlar\u0131, \u00e7er\u00e7eveleri ve protokolleri geli\u015ftirilmektedir.<\/p>\n<h2>Proxy Sunucular\u0131 Nas\u0131l Kullan\u0131labilir veya XSS ile \u0130li\u015fkilendirilebilir?<\/h2>\n<p>OneProxy gibi proxy sunucular, XSS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 ek bir g\u00fcvenlik katman\u0131 sa\u011flayabilir. Proxy&#039;ler trafi\u011fi izleyerek ve filtreleyerek \u015f\u00fcpheli kal\u0131plar\u0131 ve potansiyel olarak k\u00f6t\u00fc ama\u00e7l\u0131 komut dosyalar\u0131n\u0131 tespit edebilir ve bunlar\u0131 kullan\u0131c\u0131n\u0131n taray\u0131c\u0131s\u0131na ula\u015fmadan engelleyebilir.<\/p>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<ul>\n<li><a href=\"https:\/\/owasp.org\/www-community\/attacks\/xss\/\" target=\"_new\" rel=\"noopener nofollow\">OWASP XSS K\u0131lavuzu<\/a><\/li>\n<li><a href=\"https:\/\/www.w3.org\/TR\/CSP\/\" target=\"_new\" rel=\"noopener nofollow\">W3C \u0130\u00e7erik G\u00fcvenli\u011fi Politikas\u0131<\/a><\/li>\n<li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/Security\/Cross-site_scripting\" target=\"_new\" rel=\"noopener nofollow\">Mozilla Geli\u015ftirici A\u011f\u0131: XSS<\/a><\/li>\n<\/ul>\n<p>Not: Bu bilgiler e\u011fitim ama\u00e7l\u0131 sa\u011flanm\u0131\u015ft\u0131r ve XSS ve di\u011fer web g\u00fcvenlik a\u00e7\u0131klar\u0131na kar\u015f\u0131 g\u00fc\u00e7l\u00fc koruma sa\u011flamak i\u00e7in profesyonel g\u00fcvenlik uygulamalar\u0131 ve ara\u00e7lar\u0131yla birlikte kullan\u0131lmal\u0131d\u0131r.<\/p>","protected":false},"featured_media":479736,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479735","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Cross-Site Scripting (XSS)<\/mark>","faq_items":[{"question":"What is Cross-Site Scripting (XSS)?","answer":"<p>Cross-Site Scripting, or XSS, is a type of security vulnerability commonly found in web applications. It allows attackers to inject malicious client-side scripts into web pages viewed by other users, potentially leading to actions performed without the users' knowledge or consent.<\/p>"},{"question":"When was XSS first mentioned, and what is its history?","answer":"<p>XSS was first mentioned in 1999 when Microsoft reported a bug in Internet Explorer. Since then, it has become one of the most common web security vulnerabilities, evolving with the growth of web technologies.<\/p>"},{"question":"How does XSS work, and what is its internal structure?","answer":"<p>XSS works by manipulating a website's scripts, allowing an attacker to introduce malicious code. It generally involves identifying a vulnerability in user input handling, crafting a malicious payload, injecting it into the web page, and then executing it within the user's browser.<\/p>"},{"question":"What are the key features of XSS?","answer":"<p>The key features of XSS include its deceptive nature, targeting of users (not servers), dependence on browsers, difficulty in detection, and potential impact such as identity theft or financial loss.<\/p>"},{"question":"What types of XSS exist, and how do they differ?","answer":"<p>Three primary types of XSS attacks are Stored XSS, Reflected XSS, and DOM-based XSS. Stored XSS is permanently stored on the target server; Reflected XSS is embedded in a URL and runs when the link is clicked; DOM-based XSS manipulates the web page's structure or content.<\/p>"},{"question":"What are the ways to use XSS, and what problems and solutions are related to it?","answer":"<p>XSS can be used for stealing cookies, phishing, or distributing malware. Problems include data theft, privacy violation, and legal consequences. Solutions encompass input validation, implementing content security policies, and conducting regular security audits.<\/p>"},{"question":"How does XSS compare to other similar web vulnerabilities?","answer":"<p>XSS primarily attacks users through scripts, typically JavaScript. In contrast, SQL Injection attacks databases using malformed SQL queries, while CSRF tricks users into performing unwanted actions without consent.<\/p>"},{"question":"What are the future perspectives and technologies related to XSS?","answer":"<p>Future perspectives include the application of AI and ML to detect and prevent XSS attacks, and the development of new web standards, frameworks, and protocols to enhance overall security.<\/p>"},{"question":"How can proxy servers like OneProxy be associated with XSS?","answer":"<p>Proxy servers like OneProxy can provide an additional layer of security against XSS by monitoring and filtering traffic, identifying suspicious patterns or potentially malicious scripts, and blocking them before reaching the user's browser.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/479735","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/479735\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/479736"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=479735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}