Fix improved filtering of attributes

wordpress
Frode Petterson 2021-04-22 10:05:51 +02:00
parent 541f6d8415
commit 0eca5935c0
1 changed files with 7 additions and 1 deletions

View File

@ -4319,7 +4319,13 @@ class H5PContentValidator {
// Attribute name, href for instance.
if (preg_match('/^([-a-zA-Z]+)/', $attr, $match)) {
$attrName = strtolower($match[1]);
$skip = ($attrName == 'style' || substr($attrName, 0, 2) == 'on');
$skip = (
$attrname == 'style' ||
substr($attrname, 0, 2) == 'on' ||
substr($attrname, 0, 1) == '-' ||
// Ignore long attributes to avoid unnecessary processing overhead.
strlen($attrname) > 96
);
$working = $mode = 1;
$attr = preg_replace('/^[-a-zA-Z]+/', '', $attr);
}