Vulnerability CVE-2018-10101
Published: 2018-04-16

Description:
Before WordPress 4.9.5, the URL validator assumed URLs with the hostname localhost were on the same host as the WordPress server.

Type:

CWE-601

 (URL Redirection to Untrusted Site ('Open Redirect'))

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Wordpress -> Wordpress 
Debian -> Debian linux 

 References:
http://www.securityfocus.com/bid/104350
http://www.securitytracker.com/id/1040836
https://codex.wordpress.org/Version_4.9.5
https://core.trac.wordpress.org/changeset/42894
https://github.com/WordPress/WordPress/commit/804363859602d4050d9a38a21f5a65d9aec18216
https://wordpress.org/news/2018/04/wordpress-4-9-5-security-and-maintenance-release/
https://wpvulndb.com/vulnerabilities/9053
https://www.debian.org/security/2018/dsa-4193
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