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Remove support for [iframe] BBCode

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- It was a huge gaping security hole, and now HTML Purify will remove the src attribute of all non-allowed sources anyway.
This commit is contained in:
Hypolite Petovan 2020-12-18 01:16:35 -05:00
parent 13c7224789
commit ec0c9dcdb1
4 changed files with 5 additions and 14 deletions
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7
src/Content/Text/BBCode.php
View file

@ -1622,11 +1622,8 @@ class BBCode
'<a href="$1" target="_blank" rel="noopener noreferrer">$1</a>', $text);
}
if ($try_oembed) {
$text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $text);
} else {
$text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $text);
}
// Backward compatibility, [iframe] support has been removed in version 2020.12
$text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $text);
// Youtube extensions
if ($try_oembed) {

4
src/Content/Text/HTML.php
View file

@ -290,7 +290,8 @@ class HTML
self::tagToBBCode($doc, 'video', ['src' => '/(.+)/'], '[video]$1', '[/video]', true);
self::tagToBBCode($doc, 'audio', ['src' => '/(.+)/'], '[audio]$1', '[/audio]', true);
self::tagToBBCode($doc, 'iframe', ['src' => '/(.+)/'], '[iframe]$1', '[/iframe]', true);
// Backward compatibility, [iframe] support has been removed in version 2020.12
self::tagToBBCode($doc, 'iframe', ['src' => '/(.+)/'], '[url]$1', '[/url]', true);
self::tagToBBCode($doc, 'key', [], '[code]', '[/code]');
self::tagToBBCode($doc, 'code', [], '[code]', '[/code]');
@ -630,6 +631,7 @@ class HTML
self::tagToBBCode($doc, 'img', ['src' => '/(.+)/'], ' ', ' ');
}
// Backward compatibility, [iframe] support has been removed in version 2020.12
self::tagToBBCode($doc, 'iframe', ['src' => '/(.+)/'], ' $1 ', '');
$message = $doc->saveHTML();