LoginPress Pro <= 6.2.3 - Unauthenticated Authentication Bypass via Unverified OAuth Email via GitHub OAuth Callback
| CVE | CVE-2026-12597 |
|---|---|
| CVSS | 8.1 (High) |
| Publicly Published | July 9, 2026 |
| Last Updated | July 9, 2026 |
| Researcher |
Nguyen Ngoc Duc (duc193)
|
Description
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.
Learn more about Authentication Bypass vulnerabilities and how to prevent them.
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Vulnerability Details for LoginPress Pro
| Software Type | Plugin |
|---|---|
| Software Slug | loginpress-pro |
| Patched? | Yes |
| Remediation | Update to version 6.2.4, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in LoginPress Pro
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