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Vulnerability record · CVE-2014-0166 · published 10 April 2014

CVE-2014-0166: Wordpress improper authentication vulnerability

Wordpress · Wordpress

The wp_validate_auth_cookie function in wp-includes/pluggable.php in WordPress before 3.7.2 and 3.8.x before 3.8.2 does not properly determine the validity of authentication cookies, which makes it easier for remote attackers to obtain access via a forged cookie.

6.4 CVSS 2.0 Medium EPSS 8.9% · top 4.9% CWE-287 · Improper authentication
6.4CVSS 2.0 base score
8.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

The wp_validate_auth_cookie function in wp-includes/pluggable.php in WordPress before 3.7.2 and 3.8.x before 3.8.2 does not properly determine the validity of authentication cookies, which makes it easier for remote attackers to obtain access via a forged cookie.

AV:N/AC:L/Au:N/C:P/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://codex.wordpress.org/Version_3.7.2 Vendor Advisory
http://codex.wordpress.org/Version_3.8.2 Vendor Advisory
http://core.trac.wordpress.org/changeset/28054
http://www.debian.org/security/2014/dsa-2901
https://bugzilla.redhat.com/show_bug.cgi?id=1085858
http://codex.wordpress.org/Version_3.7.2 Vendor Advisory
http://codex.wordpress.org/Version_3.8.2 Vendor Advisory
http://core.trac.wordpress.org/changeset/28054
http://www.debian.org/security/2014/dsa-2901
https://bugzilla.redhat.com/show_bug.cgi?id=1085858

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-0166), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.