CVE-2025-66141: Scroller Plugin Auth Bypass Vulnerability

CVE-2025-66141 Overview

CVE-2025-66141 is a Missing Authorization vulnerability (CWE-862) in the merkulove Scroller WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. This Broken Access Control vulnerability affects the Scroller plugin through version 2.0.2, enabling unauthorized users to potentially access functionality or data that should be restricted to authenticated or privileged users.

Critical Impact
Unauthorized access to plugin functionality due to missing authorization checks, potentially allowing attackers to modify settings or access restricted features without proper authentication.

Affected Products

merkulove Scroller WordPress Plugin versions through 2.0.2
WordPress installations using the vulnerable Scroller plugin

Discovery Timeline

2026-01-22 - CVE CVE-2025-66141 published to NVD
2026-01-22 - Last updated in NVD database

Technical Details for CVE-2025-66141

Vulnerability Analysis

This vulnerability stems from a Missing Authorization weakness (CWE-862) in the Scroller WordPress plugin developed by merkulove. The plugin fails to properly verify user permissions before allowing access to certain functionality, creating a Broken Access Control condition that can be exploited by malicious actors.

WordPress plugins that handle user interactions or administrative functions must implement proper capability checks to ensure that only authorized users can execute sensitive operations. When these authorization checks are absent or improperly implemented, attackers can bypass intended access restrictions and interact with plugin features they should not have access to.

The vulnerability allows exploitation of incorrectly configured access control security levels, which typically manifests as unauthorized users being able to invoke AJAX handlers, REST API endpoints, or administrative functions without the requisite privileges.

Root Cause

The root cause of CVE-2025-66141 is the absence of proper authorization checks within the Scroller plugin's code paths. WordPress provides capability checking functions such as current_user_can() that plugins must use to verify user permissions before executing privileged operations. The vulnerable versions of Scroller fail to implement these checks adequately, allowing users with insufficient privileges to access restricted functionality.

Attack Vector

The attack vector for this Missing Authorization vulnerability typically involves an authenticated WordPress user with minimal privileges (such as a subscriber role) or potentially even unauthenticated users, depending on the specific endpoint affected. Attackers can craft requests to vulnerable plugin endpoints that lack authorization verification, allowing them to:

Access administrative plugin settings or configurations
Modify plugin behavior without proper permissions
Potentially escalate privileges within the WordPress installation
Access or manipulate data that should be restricted to administrators

The exploitation does not require specialized tools and can be performed using standard HTTP requests to the vulnerable plugin endpoints.

Detection Methods for CVE-2025-66141

Indicators of Compromise

Unexpected changes to Scroller plugin settings by non-administrator users
Unusual AJAX or REST API requests to Scroller plugin endpoints from low-privileged accounts
WordPress audit logs showing plugin configuration modifications by unauthorized users
Anomalous POST requests targeting Scroller plugin action hooks

Detection Strategies

Review WordPress access logs for requests to Scroller plugin endpoints from unauthorized user sessions
Implement WordPress security plugins that monitor for Broken Access Control attempts
Enable comprehensive logging of plugin administrative actions and review for anomalies
Deploy web application firewalls (WAF) with rules to detect authorization bypass attempts

Monitoring Recommendations

Configure real-time alerting for modifications to plugin settings by non-administrator accounts
Monitor WordPress user activity logs for privilege escalation patterns
Implement file integrity monitoring on WordPress plugin directories
Review audit trails for any unauthorized access to Scroller plugin functionality

How to Mitigate CVE-2025-66141

Immediate Actions Required

Update the Scroller plugin to a patched version when available from the vendor
Temporarily deactivate the Scroller plugin if it is not critical to site functionality
Review WordPress user accounts and remove unnecessary privileges
Implement additional access control measures at the web server or WAF level
Audit recent plugin activity for signs of exploitation

Patch Information

Consult the Patchstack WordPress Vulnerability Details for the latest patch information and remediation guidance. Monitor the official WordPress plugin repository for updates to the Scroller plugin that address this vulnerability.

Workarounds

Disable the Scroller plugin until a security patch is released
Implement server-level access restrictions to limit plugin endpoint access to trusted IP addresses
Use a WordPress security plugin to add additional authorization layers
Restrict WordPress user registration and minimize the number of accounts with any level of access
Consider implementing a Web Application Firewall with virtual patching capabilities to block exploitation attempts