PHP Object Injection Vulnerability in WordPress XMLRPC wp.getMediaItem

CVE-2018-20148 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

In WordPress before 4.9.9 and 5.x before 5.0.1, contributors could conduct PHP object injection attacks via crafted metadata in a wp.getMediaItem XMLRPC call. This is caused by mishandling of serialized data at phar:// URLs in the wp_get_attachment_thumb_file function in wp-includes/post.php.

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