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.
CVE-2014-0166
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 94.6%
- KEV
- Not listed
Published
April 10, 2014
Last Modified
May 6, 2026
References (10)
- secalert@redhathttp://codex.wordpress.org/Version_3.7.2
- secalert@redhathttp://codex.wordpress.org/Version_3.8.2
- secalert@redhathttp://core.trac.wordpress.org/changeset/28054
- secalert@redhathttp://www.debian.org/security/2014/dsa-2901
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1085858
- af854a3a-2127-422b-91ae-364da2661108http://codex.wordpress.org/Version_3.7.2
- af854a3a-2127-422b-91ae-364da2661108http://codex.wordpress.org/Version_3.8.2
- af854a3a-2127-422b-91ae-364da2661108http://core.trac.wordpress.org/changeset/28054
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2014/dsa-2901
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1085858
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 39× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:41 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
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- 2026-07-05 01:26 UTCOSV refresh
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- 2026-06-18 17:49 UTCEPSS rescore
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- 2026-06-16 13:09 UTCOSV refresh
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- 2026-06-01 13:49 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 19:37 UTCEG score recompute
- 2026-05-28 19:37 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
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Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCEttack/POC-CVE-2014-0166First seen Apr 26, 2014
POC of CVE-2014-0166 (WordPress cookie forgery vulnerability)
Open source ↗
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2014-0166?
When was CVE-2014-0166 disclosed?
Is CVE-2014-0166 actively exploited?
How do I remediate CVE-2014-0166?
Dependency Blast Radius
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