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Apply kses bad-protocol checks only to URI typed attributes. Props takayukister. fixes #5917 #6888 #6910 #7512

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git-svn-id: http://svn.automattic.com/wordpress/trunk@8671 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2008-08-19 18:43:21 +00:00
parent 4104795d70
commit 3911137835
1 changed files with 10 additions and 3 deletions
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13
wp-includes/kses.php
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@ -551,6 +551,7 @@ function wp_kses_hair($attr, $allowed_protocols) {
$attrarr = array ();
$mode = 0;
$attrname = '';
$uris = array('xmlns', 'profile', 'href', 'src', 'cite', 'classid', 'codebase', 'data', 'usemap', 'longdesc', 'action');
# Loop through the whole attribute list
@ -595,7 +596,9 @@ function wp_kses_hair($attr, $allowed_protocols) {
if (preg_match('/^"([^"]*)"(\s+|$)/', $attr, $match))
# "value"
{
$thisval = wp_kses_bad_protocol($match[1], $allowed_protocols);
$thisval = $match[1];
if ( in_array($attrname, $uris) )
$thisval = wp_kses_bad_protocol($thisval, $allowed_protocols);
if(FALSE === array_key_exists($attrname, $attrarr)) {
$attrarr[$attrname] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname=\"$thisval\"", 'vless' => 'n');
@ -609,7 +612,9 @@ function wp_kses_hair($attr, $allowed_protocols) {
if (preg_match("/^'([^']*)'(\s+|$)/", $attr, $match))
# 'value'
{
$thisval = wp_kses_bad_protocol($match[1], $allowed_protocols);
$thisval = $match[1];
if ( in_array($attrname, $uris) )
$thisval = wp_kses_bad_protocol($thisval, $allowed_protocols);
if(FALSE === array_key_exists($attrname, $attrarr)) {
$attrarr[$attrname] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname='$thisval'", 'vless' => 'n');
@ -623,7 +628,9 @@ function wp_kses_hair($attr, $allowed_protocols) {
if (preg_match("%^([^\s\"']+)(\s+|$)%", $attr, $match))
# value
{
$thisval = wp_kses_bad_protocol($match[1], $allowed_protocols);
$thisval = $match[1];
if ( in_array($attrname, $uris) )
$thisval = wp_kses_bad_protocol($thisval, $allowed_protocols);
if(FALSE === array_key_exists($attrname, $attrarr)) {
$attrarr[$attrname] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname=\"$thisval\"", 'vless' => 'n');