Login with NEAR <= 0.3.3 - Authentication Bypass via 'account' Parameter

8.1
Improper Authentication
CVE CVE-2026-8994
CVSS 8.1 (High)
Publicly Published May 26, 2026
Last Updated May 27, 2026
Researcher g0wthr

Description

The Login with NEAR plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 0.3.3. The `ajaxLoginWithNear()` function — registered as a `wp_ajax_nopriv` action and therefore reachable by unauthenticated users — accepts an attacker-supplied `account` POST parameter and issues a valid WordPress authentication cookie based solely on a substring check for `.near`, with no nonce verification, cryptographic signature validation, challenge-response exchange, or any proof that the requester controls the corresponding NEAR wallet. This makes it possible for unauthenticated attackers to log in as any existing WordPress user, including administrators, whose email address matches the deterministic `<account>@near.org` pattern derived from the supplied `account` value. If no matching user exists, the handler automatically creates and authenticates a new WordPress account for the attacker-controlled identifier, providing a further avenue for unauthorized account creation.

Learn more about Authentication Bypass vulnerabilities and how to prevent them.

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Vulnerability Details for Login with NEAR

Software Type Plugin
Software Slug near-login (view on wordpress.org)
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 0.3.3

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