CVE-2025-68019: SEO Booster Authorization Bypass Flaw

CVE-2025-68019 Overview

A Missing Authorization vulnerability has been identified in the cleverplugins SEO Booster WordPress plugin. This broken access control flaw allows attackers to exploit incorrectly configured access control security levels, potentially enabling unauthorized access to plugin functionality and sensitive site data. The vulnerability is classified as CWE-862 (Missing Authorization), indicating that the plugin fails to properly verify user permissions before executing privileged operations.

Critical Impact

Attackers can bypass access control mechanisms in SEO Booster plugin versions 6.1.8 and earlier, potentially gaining unauthorized access to administrative functions.

Affected Products

• SEO Booster WordPress Plugin versions through 6.1.8
• WordPress installations running affected SEO Booster versions

Discovery Timeline

• 2026-01-22 - CVE-2025-68019 published to NVD
• 2026-01-22 - Last updated in NVD database

Technical Details for CVE-2025-68019

Vulnerability Analysis

This vulnerability stems from a Missing Authorization flaw (CWE-862) in the SEO Booster WordPress plugin developed by cleverplugins. The plugin fails to implement proper authorization checks before executing sensitive operations, creating a broken access control condition. WordPress plugins that handle SEO functionality often include features for modifying site metadata, managing redirects, and accessing analytics data—all operations that should be restricted to authenticated administrators.

When authorization checks are missing or improperly implemented, lower-privileged users or even unauthenticated visitors may be able to invoke functions intended only for administrators. This type of vulnerability is particularly concerning in WordPress environments where plugins often have direct database access and can modify critical site configurations.

Root Cause

The root cause of this vulnerability is the absence of proper capability checks in one or more plugin functions. WordPress provides a robust permissions system through its roles and capabilities framework, but plugins must explicitly verify user capabilities using functions like current_user_can() before executing privileged operations. The SEO Booster plugin versions 6.1.8 and earlier fail to implement these checks adequately, allowing unauthorized users to access restricted functionality.

Attack Vector

An attacker can exploit this vulnerability by directly accessing plugin endpoints or invoking plugin functions without proper authentication or authorization. The attack does not require special privileges, making it accessible to a wide range of threat actors. Successful exploitation could allow attackers to:

• Modify SEO settings and metadata across the site
• Access sensitive configuration information
• Potentially leverage the misconfiguration for further attacks on the WordPress installation

For detailed technical information about this vulnerability, refer to the Patchstack Vulnerability Report.

Detection Methods for CVE-2025-68019

Indicators of Compromise

• Unexpected changes to SEO settings, meta descriptions, or site metadata
• Unauthorized modifications to redirect rules or canonical URLs managed by the plugin
• Access logs showing requests to SEO Booster plugin endpoints from unauthenticated or low-privileged users
• Database changes to plugin-related tables without corresponding administrator activity

Detection Strategies

• Review WordPress access logs for suspicious requests targeting /wp-content/plugins/seo-booster/ paths
• Monitor for AJAX requests to SEO Booster endpoints from users without administrator privileges
• Implement file integrity monitoring to detect unauthorized changes to plugin configuration files
• Use WordPress security plugins to audit plugin activity and permission changes

Monitoring Recommendations

• Enable detailed logging for all plugin-related actions in WordPress
• Configure alerts for bulk changes to SEO metadata or site configurations
• Regularly audit user roles and capabilities to ensure principle of least privilege
• Monitor for newly created or modified administrator accounts that could indicate post-exploitation activity

How to Mitigate CVE-2025-68019

Immediate Actions Required

• Update SEO Booster plugin to a version newer than 6.1.8 that addresses the authorization vulnerability
• Review recent plugin activity logs for signs of unauthorized access
• Audit all SEO settings and metadata for unexpected modifications
• Consider temporarily deactivating the plugin if an immediate update is not available
• Restrict plugin access using server-level controls or WordPress security plugins

Patch Information

Users should update the SEO Booster WordPress plugin to the latest available version that addresses the broken access control vulnerability. Check the Patchstack Vulnerability Report for detailed patch information and remediation guidance.

Workarounds

• Implement web application firewall (WAF) rules to restrict access to SEO Booster plugin endpoints
• Use WordPress security plugins like Wordfence or Sucuri to add additional access control layers
• Temporarily disable the plugin until an official patch is applied
• Restrict plugin functionality to only necessary user roles through additional capability checks

# WordPress CLI command to deactivate the vulnerable plugin
wp plugin deactivate seo-booster

# Check current plugin version
wp plugin get seo-booster --field=version

# Update plugin to latest version when patch is available
wp plugin update seo-booster