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Fixed XSS vulnerability in comments 

git-svn-id: http://svn.automattic.com/wordpress/trunk@594 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
emc3 2003-12-09 14:39:30 +00:00
parent 0313700657
commit 2f9ab6e333
1 changed files with 3 additions and 3 deletions
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6
b2-include/b2functions.php
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@ -1207,9 +1207,9 @@ function pingback($content, $post_ID) {
** This is how we can do <b onmouseover="alert('badbadbad')">bad stuff</b>!
**/
function sanitise_html_attributes($text) {
$text = preg_replace('#( on[a-z]{1,}|style|class|id)="(.*?)"#i', '', $text);
$text = preg_replace('#( on[a-z]{1,}|style|class|id)=\'(.*?)\'#i', '', $text);
$text = preg_replace('#( on[a-z]{1,}|style|class|id)[ \t]*=[ \t]*([^ \t\>]*?)#i', '', $text);
$text = preg_replace('#(([\s"\'])on[a-z]{1,}|style|class|id)="(.*?)"#i', '$1', $text);
$text = preg_replace('#(([\s"\'])on[a-z]{1,}|style|class|id)=\'(.*?)\'#i', '$1', $text);
$text = preg_replace('#(([\s"\'])on[a-z]{1,}|style|class|id)[ \t]*=[ \t]*([^ \t\>]*?)#i', '$1', $text);
$text = preg_replace('#([a-z]{1,})="(( |\t)*?)(javascript|vbscript|about):(.*?)"#i', '$1=""', $text);
$text = preg_replace('#([a-z]{1,})=\'(( |\t)*?)(javascript|vbscript|about):(.*?)\'#i', '$1=""', $text);
$text = preg_replace('#\<(\/{0,1})([a-z]{0,2})(frame|applet)(.*?)\>#i', '', $text);