CRITICAL

CVE-2018-20148

CVSS v3

9.8

CRITICAL

EPSS Score

54.9%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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.

Technical details

Published
12/14/2018

Frequently asked questions

What is CVE-2018-20148?

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.

Is CVE-2018-20148 actively exploited?

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.

What is the CVSS score for CVE-2018-20148?

CVE-2018-20148 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2018-20148 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.