CVE-2018-20148
9.8
CRITICAL
CVSS 3.1
EPSS 54.9%
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.
How to fix CVE-2018-20148
To remediate CVE-2018-20148, upgrade the affected package to a fixed version below.
- Debian/wordpress—upgrade to 5.0.1+dfsg1-1 or later
Is CVE-2018-20148 being exploited?
Likely — EPSS is 54.9%, placing CVE-2018-20148 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 5.0.1+dfsg1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |