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Status published
Critical
CVE-2018-20148
In WordPress before 4.9.9 and 5.x before 5.0.1, contributors could...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securityfocus.com/bid/106220
- https://wordpress.org/support/wordpress-version/version-5-0-1/
- https://blog.secarma.co.uk/labs/near-phar-dangerous-unserialization-wherever-you-are
- https://codex.wordpress.org/Version_4.9.9
- https://wpvulndb.com/vulnerabilities/9171
- https://www.zdnet.com/article/wordpress-vulnerability-affects-a-third-of-most-popular-websites-online/
- https://www.debian.org/security/2019/dsa-4401
- https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/
- https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html
- https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/
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Affected Vendor
wordpress
View all reports →Affected Software
wordpress, debian linux
Vulnerable Versions:
0, 5.0, 8.0, 9.0
Timeline
Official Publish:
December 14th, 2018
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.