CVE-2026-25471: Admin Safety Guard Auth Bypass Flaw

CVE-2026-25471 Overview

CVE-2026-25471 is an Authentication Bypass Using an Alternate Path or Channel vulnerability discovered in the Themepaste Admin Safety Guard WordPress plugin. This security flaw allows attackers to exploit the password recovery functionality to bypass authentication mechanisms, potentially gaining unauthorized access to administrative accounts.

The vulnerability is classified under CWE-288 (Authentication Bypass Using an Alternate Path or Channel), indicating that the plugin fails to properly enforce authentication controls when alternative access methods are used. Attackers can leverage weaknesses in the password recovery process to compromise protected accounts without valid credentials.

Critical Impact

Successful exploitation of this authentication bypass vulnerability could allow unauthenticated remote attackers to compromise WordPress administrator accounts through password recovery exploitation, leading to complete site takeover.

Affected Products

• Themepaste Admin Safety Guard plugin versions from n/a through 1.2.6
• WordPress installations running vulnerable versions of the Admin Safety Guard plugin

Discovery Timeline

• 2026-03-19 - CVE-2026-25471 published to NVD
• 2026-03-19 - Last updated in NVD database

Technical Details for CVE-2026-25471

Vulnerability Analysis

This authentication bypass vulnerability exists in the Admin Safety Guard WordPress plugin, which ironically is designed to enhance WordPress admin security. The flaw allows attackers to exploit the password recovery mechanism as an alternate authentication channel.

The vulnerability requires network access and involves high attack complexity, but can be exploited without any privileges or user interaction. A successful attack results in high impact to confidentiality, integrity, and availability of the affected WordPress installation.

Root Cause

The root cause of CVE-2026-25471 lies in improper implementation of the password recovery functionality within the Admin Safety Guard plugin. The plugin fails to adequately validate authentication states during the password reset process, creating an alternate path that attackers can exploit to bypass normal authentication controls.

This type of vulnerability typically occurs when:

• Password reset tokens are insufficiently validated or predictable
• The password recovery flow doesn't properly verify the identity of the requester
• Alternative authentication paths lack the same security controls as primary login mechanisms

Attack Vector

The attack vector for this vulnerability is network-based, meaning remote attackers can attempt exploitation without local system access. The exploitation targets the password recovery functionality to bypass authentication:

The vulnerability exploits weaknesses in the password recovery implementation of the Admin Safety Guard plugin. An attacker would initiate the password recovery process and manipulate the recovery flow to gain unauthorized access. Due to the high attack complexity, successful exploitation may require specific conditions or knowledge about the target environment. For detailed technical information, refer to the Patchstack Vulnerability Report.

Detection Methods for CVE-2026-25471

Indicators of Compromise

• Unexpected password reset requests for administrator accounts in WordPress logs
• Multiple failed and successful authentication attempts from unfamiliar IP addresses
• Unusual activity in the wp_users table indicating password changes
• Suspicious access to password recovery endpoints in web server access logs

Detection Strategies

• Monitor WordPress authentication logs for anomalous password reset activity
• Implement web application firewall (WAF) rules to detect exploitation attempts targeting the Admin Safety Guard plugin
• Review access logs for repeated requests to password recovery endpoints from single IP addresses
• Configure alerting for administrative password changes outside of normal business hours

Monitoring Recommendations

• Enable comprehensive logging for WordPress authentication events and plugin activities
• Deploy SentinelOne Singularity Platform for real-time endpoint detection and response capabilities
• Implement network traffic analysis to identify suspicious patterns targeting WordPress installations
• Set up automated alerts for multiple password reset attempts within short time windows

How to Mitigate CVE-2026-25471

Immediate Actions Required

• Update the Admin Safety Guard plugin to a patched version beyond 1.2.6 immediately
• Review administrator account activity and reset passwords for any accounts that may have been compromised
• Temporarily disable the Admin Safety Guard plugin if an update is not immediately available
• Implement additional authentication controls such as two-factor authentication for WordPress admin accounts

Patch Information

Organizations should check with Themepaste for an updated version of the Admin Safety Guard plugin that addresses this authentication bypass vulnerability. The Patchstack Vulnerability Report provides additional details on the affected versions and remediation guidance.

Workarounds

• Disable or remove the Admin Safety Guard plugin until a patched version is available
• Implement IP-based access restrictions to the WordPress admin panel (/wp-admin/)
• Enable two-factor authentication for all WordPress administrator accounts using a separate, trusted plugin
• Configure web application firewall rules to block suspicious password recovery requests

# WordPress .htaccess configuration to restrict admin access by IP
<Files wp-login.php>
    Order Deny,Allow
    Deny from all
    # Allow only trusted IP addresses
    Allow from 192.168.1.0/24
    Allow from 10.0.0.0/8
</Files>