CVE-2016-2221

7.4 HIGH
Published: May 22, 2016 Modified: May 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/82463
Source: security@debian.org
https://codex.wordpress.org/Version_4.4.2
Source: security@debian.org
Patch
https://core.trac.wordpress.org/changeset/36444
Source: security@debian.org
Patch
http://www.debian.org/security/2016/dsa-3472
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/82463
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1034933
Source: af854a3a-2127-422b-91ae-364da2661108
https://codex.wordpress.org/Version_4.4.2
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://core.trac.wordpress.org/changeset/36444
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://wpvulndb.com/vulnerabilities/8377
Source: af854a3a-2127-422b-91ae-364da2661108

14 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.4 / 10.0
EPSS (Exploit Probability)
3.5%
88th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

wordpress