CVEvulnerability
CVE-2018-20148
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2018-12-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-502
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.
Affected configurations
• wordpress wordpress (< 4.9.9)
• wordpress wordpress (>= 5.0 < 5.0.1)
• debian debian linux 8.0
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-502 Deserialization of Untrusted Data weakness
References
- http://www.securityfocus.com/bid/106220 Third Party Advisory, VDB Entry
- https://blog.secarma.co.uk/labs/near-phar-dangerous-unserialization-wherever-you-are Exploit, Third Party Advisory
- https://codex.wordpress.org/Version_4.9.9 Product, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html Mailing List, Third Party 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/ Release Notes, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/9171 Vendor Advisory
- https://www.debian.org/security/2019/dsa-4401 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/ Press/Media Coverage, Third Party Advisory
- http://www.securityfocus.com/bid/106220 Third Party Advisory, VDB Entry
- https://blog.secarma.co.uk/labs/near-phar-dangerous-unserialization-wherever-you-are Exploit, Third Party Advisory
- https://codex.wordpress.org/Version_4.9.9 Product, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html Mailing List, Third Party 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/ Release Notes, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/9171 Vendor Advisory
- https://www.debian.org/security/2019/dsa-4401 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/ Press/Media Coverage, Third Party Advisory