CVE-2018-20148

CRITICAL

WordPress <4.9.9, 5.x <5.0.1 - Code Injection

Title source: llm

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.

Exploits (1)

nomisec WORKING POC 4 stars

by nth347 · poc

https://github.com/nth347/CVE-2018-20148_exploit

View Code ZIP pw:eip

References (10)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/106220

[Exploit, Third Party Advisory] https://blog.secarma.co.uk/labs/near-phar-dangerous-unserialization-wherever-you-are

[Product, Vendor Advisory] https://codex.wordpress.org/Version_4.9.9

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html

[Release Notes, Vendor Advisory] https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/

[Release Notes, Vendor Advisory] https://wordpress.org/support/wordpress-version/version-5-0-1/

[Vendor Advisory] https://wpvulndb.com/vulnerabilities/9171

[Third Party Advisory] https://www.debian.org/security/2019/dsa-4401

[Press/Media Coverage, Third Party Advisory] https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/

[Press/Media Coverage, Third Party Advisory] https://www.zdnet.com/article/wordpress-vulnerability-affects-a-third-of-most-popular-websites-online/

Scores

CVSS v3 9.8

EPSS 0.5486

EPSS Percentile 98.0%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-502

Status published

Products (3)

debian/debian_linux 8.0

debian/debian_linux 9.0

wordpress/wordpress < 4.9.9

Published Dec 14, 2018

Tracked Since Feb 18, 2026