CVE-2018-20148Deserialization of Untrusted Data in Wordpress

Severity
9.8CRITICALNVD
EPSS
54.9%
top 1.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 14
Latest updateMay 14

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

debiandebian/wordpress< wordpress 5.0.1+dfsg1-1 (bookworm)
NVDwordpress/wordpress5.05.0.1+1
Debianwordpress/wordpress< 5.0.1+dfsg1-1+3

Also affects: Debian Linux 8.0, 9.0

🔴Vulnerability Details

2
GHSA
GHSA-jgj7-cghf-2wq9: In WordPress before 42022-05-14
OSV
CVE-2018-20148: In WordPress before 42018-12-14

📋Vendor Advisories

1
Debian
CVE-2018-20148: wordpress - In WordPress before 4.9.9 and 5.x before 5.0.1, contributors could conduct PHP o...2018