Description
Before WordPress 4.9.5, the URL validator assumed URLs with the hostname localhost were on the same host as the WordPress server.
References (8)
Core 8
Core References
Third Party Advisory x_refsource_misc
https://wpvulndb.com/vulnerabilities/9053
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/104350
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1040836
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4193
Vendor Advisory x_refsource_confirm
https://wordpress.org/news/2018/04/wordpress-4-9-5-security-and-maintenance-release/
Patch, Vendor Advisory x_refsource_confirm
https://core.trac.wordpress.org/changeset/42894
Vendor Advisory x_refsource_confirm
https://codex.wordpress.org/Version_4.9.5
Patch, Third Party Advisory x_refsource_confirm
https://github.com/WordPress/WordPress/commit/804363859602d4050d9a38a21f5a65d9aec18216
Scores
CVSS v3
6.1
EPSS
0.0939
EPSS Percentile
92.8%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-601
Status
published
Products (3)
debian/debian_linux
8.0
debian/debian_linux
9.0
wordpress/wordpress
< 4.9.5
Published
Apr 16, 2018
Tracked Since
Feb 18, 2026