CVE-2025-46255: LoginWP Pro Authorization Bypass Flaw

CVE-2025-46255 Overview

CVE-2025-46255 is a Missing Authorization vulnerability [CWE-862] in the Marketing Fire LLC LoginWP - Pro WordPress plugin. The flaw affects all versions up to and including 4.0.8.5. Unauthenticated attackers can access plugin functionality that is not properly constrained by access control lists (ACLs). The issue specifically enables remote modification of plugin settings without authentication. Patchstack tracks this vulnerability under their WordPress plugin database.

Critical Impact
Network-based attackers can alter LoginWP - Pro plugin settings without any authentication or user interaction, undermining redirection logic and integrity of login flow configuration.

Affected Products

Marketing Fire LLC LoginWP - Pro WordPress plugin
All versions from n/a through 4.0.8.5
WordPress sites with the LoginWP - Pro plugin installed and active

Discovery Timeline

2026-01-05 - CVE-2025-46255 published to NVD
2026-04-28 - Last updated in NVD database

Technical Details for CVE-2025-46255

Vulnerability Analysis

The vulnerability resides in one or more handlers exposed by LoginWP - Pro that change plugin settings. These handlers do not verify whether the requester holds the necessary capability or role before executing the privileged action. As a result, requests sent by anonymous users are processed identically to those from authorized administrators.

The attack vector is Network with low attack complexity and no privileges or user interaction required. The impact is confined to integrity, since attackers can modify settings but cannot directly read sensitive data or disrupt availability through this flaw. LoginWP governs login, logout, and registration redirects, so settings tampering can redirect authenticated users to attacker-controlled destinations.

Root Cause

The root cause is a missing authorization check [CWE-862] on plugin endpoints that handle settings updates. Typical WordPress implementations should call current_user_can() and verify a nonce via check_admin_referer() or wp_verify_nonce() before persisting changes. In affected LoginWP - Pro builds, at least one settings-change path omits this capability validation.

Attack Vector

An attacker sends a crafted HTTP request to the vulnerable endpoint on a target WordPress site. Because no authentication is required, the request can originate from any host on the internet. The server processes the request and writes the attacker-supplied values into the plugin configuration. Subsequent legitimate logins follow the manipulated redirect or behavior settings.

No verified public exploit code is available at the time of writing. Refer to the Patchstack Security Vulnerability Report for technical context.

Detection Methods for CVE-2025-46255

Indicators of Compromise

Unexpected modifications to LoginWP - Pro settings in the WordPress database, particularly login, logout, and registration redirect URLs pointing to external domains.
HTTP POST or GET requests to admin-ajax.php or LoginWP plugin REST routes originating from unauthenticated sessions.
Audit log entries showing settings changes without a corresponding administrator session.

Detection Strategies

Inspect web server access logs for anonymous requests targeting LoginWP - Pro action handlers and AJAX endpoints.
Compare current plugin settings against a known-good baseline stored from before the patch window.
Monitor the wp_options table for unauthorized changes to LoginWP-related option keys.

Monitoring Recommendations

Enable WordPress audit logging to capture plugin settings changes with associated user identifiers and source IP addresses.
Alert on outbound redirects from login flows to domains outside the site's allowlist.
Track plugin version inventory across WordPress estates to confirm patch deployment.

How to Mitigate CVE-2025-46255

Immediate Actions Required

Update LoginWP - Pro to a version released after 4.0.8.5 once the vendor publishes a fixed release.
Audit current LoginWP - Pro settings for unauthorized redirect URLs or configuration changes and restore known-good values.
Restrict administrative endpoint access at the web application firewall or reverse proxy layer until patched.

Patch Information

The vulnerability affects LoginWP - Pro versions up to and including 4.0.8.5. Review the Patchstack Security Vulnerability Report for vendor patch availability and apply the latest plugin update from Marketing Fire LLC.

Workarounds

Deactivate the LoginWP - Pro plugin on affected sites until a patched version is installed.
Deploy a WAF rule that blocks unauthenticated requests to LoginWP - Pro settings endpoints and AJAX actions.
Limit access to /wp-admin/admin-ajax.php and plugin REST routes by source IP where operationally feasible.

bash

# Example WAF rule concept blocking unauthenticated LoginWP settings requests
# (adapt to your WAF syntax)
SecRule REQUEST_URI "@rx /wp-admin/admin-ajax\.php" \
  "chain,deny,status:403,id:1004625501,msg:'Block unauth LoginWP settings change'"
  SecRule ARGS:action "@rx ^loginwp_" \
    "chain"
    SecRule &REQUEST_COOKIES:wordpress_logged_in "@eq 0"