CVE-2023-2027

ZM Ajax Login & Register <= 2.0.2 - Authentication Bypass

Published Apr 15, 2023 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
The ZM Ajax Login & Register plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.0.2. This is due to insufficient verification on the user being supplied during a Facebook login through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the username.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-33554 The ZM Ajax Login & Register plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.0.2. This is due to insufficient verification on the user being supplied during a Facebook login through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the username.
History
Type Values Removed Values Added
Title ZM Ajax Login & Register <= 2.0.2 - Authentication Bypass
Weaknesses CWE-288
Type Values Removed Values Added
Metrics epss

{'score': 0.00332}

epss

{'score': 0.00252}

Type Values Removed Values Added
Metrics epss

{'score': 0.00254}

epss

{'score': 0.00332}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Apr 8, 2026, 5:16 PM
Reserved
Apr 13, 2023, 4:18 PM
Status
Modified
Published
Apr 15, 2023, 8:15 AM
Modified
Jun 17, 2026, 5:51 AM