LoginPress Pro <= 6.2.3 - Unauthenticated Authentication Bypass via Unverified OAuth Email via GitHub OAuth Callback
The LoginPress Pro plugin for WordPress is vulnerable to Authentication Bypass via the GitHub OAuth callback in versions up to, and including, 6.2.3. The vulnerability exists in the loginpress_on_github_login() function, which blindly trusts the first element (profile[0]['email']) of the array returned by GitHub's /user/emails endpoint as an account-binding identifier without verifying that the email carries a verified === true status. This makes it possible for unauthenticated attackers to log in as any existing WordPress user, including administrators, by adding an unverified email address matching a local account to their GitHub profile and triggering the OAuth callback via a crafted code parameter — causing the plugin to call get_user_by('email', ...) and establish an authenticated session for the matched account. Practical exploitation is conditional on GitHub returning the attacker-added unverified email at index 0 of the /user/emails response, as GitHub typically prioritizes the primary verified address first; nonetheless, the absence of any email verification check in the plugin constitutes a fundamental authentication bypass flaw.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| WordPress plugin | LoginPress Pro | <= 6.2.3 | 6.2.4 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-287- Platform
- WordPress
- Package
LoginPress Pro- Disclosed
- 09.07.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
Wordfence Intelligence - 4f3ee9f6-6465-4caf-9aef-72dd37c61a2c - Wordfence Intelligence
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Copyright 2012-2026 Defiant Inc.
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Vulnerability history: LoginPress Pro
All published vulnerabilities of this package (WordPress plugin), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 7
- First → latest
- 04.2024 07.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- High 3
- Medium 2
Disclosures per year
- 2024: 2
- 2025: 1
- 2026: 4
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LoginPress Pro <= 6.2.3 - Unauthenticated Authentication Bypass via Unverified OAuth Email via GitHub OAuth Callback this entry
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