CVSS v3
9.8
CRITICAL
EPSS Score
54.9%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
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.
Active exploitation of CVE-2018-20148 has not been confirmed. The EPSS score is 54.9%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2018-20148 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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Ranked by exploit probability (EPSS).