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CVE-2016-2221

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Date: May 21, 2016

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.

Language: PHP

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2016-2221
http://www.securityfocus.com/bid/82463
https://core.trac.wordpress.org/changeset/36444
https://wpvulndb.com/vulnerabilities/8377
https://security-tracker.debian.org/tracker/CVE-2016-2221
http://www.debian.org/security/2016/dsa-3472
http://www.securitytracker.com/id/1034933
https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/
https://codex.wordpress.org/Version_4.4.2
https://www.mend.io/vulnerability-database/CVE-2016-2221

Severity Score

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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