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[Translation] Cross-Site Scripting Attack and Defense

Source: Internet
Author: User
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Author:Xylitol

Translator:Riusksk (Quan Ge:Http://riusksk.blogbus.com)


Abstract:

1.What is cross-site (XSS)?

2.Cross-site code

3. CookieHijacking

4. XSSDefense

  1. Destruction mode
  2. Bypass character filtering
  3. FlashAttack
  4. Upload filesXSS
  5. Cross-Site phishing
  6. What is cross-site (XSS)?

XSSAlso calledCSS (Cross Site Script)Cross-site scripting attacksCross Site ScriptIsCSS,CSSIn the field of web design, style sheets have been widely stacked.CrossChanged to the same pronunciation.XBut earlier files still useCSSTo indicate cross-site scripting ). It refers to malicious attackersWebMalicious insertion in the pageHtmlCode, which is embedded when the user browses this pageWebInsideHtmlThe code is executed to achieve the Special Purpose of malicious users. Attackers can exploit this vulnerability to gain higher permissions.ActiveXControl,Cheat victims to browse malicious sites to install malicious software on their computers (Such as spyware, remote control software, worms, etc.), can also steal confidential web content, sessionCookieAnd many other information.

  1. ExistXSSCode

Open notepad, copy and paste the following script code:

<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Html xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = iso-8859-1"/>

<Style type = "text/css">
<! --
Body, td, th {
Color: # FFFFFF;
}
Body {
Background-color: #000000;
}
-->
</Style> <title> Simple XSS vulnerability by Xylitol </title>
<Body>
<Form action = "XSS. php" method = "post">
<P align = "center"> <strong> Simple XSS vulnerability by Xylitol </strong> </p>
<Div align = "center">
<Table width = "270" border = "0">
<Tr>
<Td width = "106"> <strong> Search: </strong> </td>
<Td width = "154"> <input name = "Vulnerability" type = "text" id = "Vulnerability"/> </td>
</Tr>
</Table>
<Table width = "268" border = "0">
<Tr>
& Lt; td width = "262" & gt; <div align = "center" & gt;
<Input name = "submit" type = "submit" value = "Search it! "/>
</Div> </td>
</Tr>
</Table>
</Div>
</Form>
</Body>
</Html>

SaveIndex.html,1No image in the original article ):

& Nb

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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