CVE-2018-20148
CRITICAL 9.8EPSS 26.8%
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 v3.0 NVD
- 9.8 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 26.82% chance of exploitation in the next 30 days, 98th percentile
- Published
- 2018-12-14
- Updated
- 2024-08-05
Proof-of-concept exploits (2)
- Byebyesky/IT-Security-Projekt1★ · 2019-06-03
- nth347/CVE-2018-20148_exploit4★ · 2021-11-16
Security advisories
- https://codex.wordpress.org/Version_4.9.9
- https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release
- https://wordpress.org/support/wordpress-version/version-5-0-1
- https://wpvulndb.com/vulnerabilities/9171
- http://www.securityfocus.com/bid/106220
- https://blog.secarma.co.uk/labs/near-phar-dangerous-unserialization-wherever-you-are
- https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html
- https://www.debian.org/security/2019/dsa-4401
- https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-p…
- https://www.zdnet.com/article/wordpress-vulnerability-affects-a-third-of-most-popular-web…