Vulnerability CVE-2016-2221
Published: 2016-05-21   Modified: 2016-05-22

Description:
Open redirect vulnerability in the wp_validate_redirect function in wp-includes/pluggable.php in WordPress before 4.4.2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a malformed URL that triggers incorrect hostname parsing, as demonstrated by an https:example.com URL.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
WordPress 4.4.2 SSRF and open redirect vulnerability
Multiple
09.02.2016

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 

 References:
http://www.debian.org/security/2016/dsa-3472
http://www.securityfocus.com/bid/82463
http://www.securitytracker.com/id/1034933
https://codex.wordpress.org/Version_4.4.2
https://core.trac.wordpress.org/changeset/36444
https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/
https://wpvulndb.com/vulnerabilities/8377
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