Description
The Defender Security plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.4.6. This is due to missing or incorrect nonce validation on the verify_otp_login_time() function. This makes it possible for unauthenticated attackers to verify a one time login via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Published: 2023-07-12
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-34252 The Defender Security plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.4.6. This is due to missing or incorrect nonce validation on the verify_otp_login_time() function. This makes it possible for unauthenticated attackers to verify a one time login via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
History

Wed, 08 Apr 2026 18:30:00 +0000

Type Values Removed Values Added
Title Defender Security <= 2.4.6 - Cross-Site Request Forgery Bypass

Thu, 17 Oct 2024 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Wpmudev Defender Security
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-04-08T17:30:23.719Z

Reserved: 2023-07-11T18:59:45.479Z

Link: CVE-2021-4425

cve-icon Vulnrichment

Updated: 2024-08-03T17:23:10.845Z

cve-icon NVD

Status : Modified

Published: 2023-07-12T08:15:09.567

Modified: 2026-04-08T19:17:48.117

Link: CVE-2021-4425

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses