bitPickups/friendica_2019-12_sharedHosting_hotFix
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Improve BBCode javascript stripping regex

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This commit is contained in:
Hypolite Petovan 2016-11-19 18:01:45 -05:00
parent c2eb2f460b
commit 003e6a7371
1 changed files with 4 additions and 2 deletions
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6
include/bbcode.php
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@ -1161,8 +1161,10 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = fal
$Text = preg_replace('/\&quot\;/','"',$Text);
// fix any escaped ampersands that may have been converted into links
$Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
$Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|gopher|cid)(.*?)\>/ism",'<$1$2="">',$Text);
$Text = preg_replace('/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism', '<$1$2=$3&$4>', $Text);
// removes potentially harmful javascript in src/href
$Text = preg_replace('/\<([^>]*?)(src|href)="javascript(.*?)\>/ism', '', $Text);
if($saved_image)
$Text = bb_replace_images($Text, $saved_image);