CVE-2026-24524: Tablesome Auth Bypass Vulnerability

CVE-2026-24524 Overview

CVE-2026-24524 is a Missing Authorization vulnerability affecting the Essekia Tablesome WordPress plugin. This broken access control vulnerability allows attackers to exploit incorrectly configured access control security levels, potentially enabling unauthorized actions within WordPress installations running affected versions of the plugin.

The vulnerability stems from CWE-862 (Missing Authorization), where the plugin fails to properly verify user permissions before allowing certain actions. This can enable authenticated users with minimal privileges to perform operations that should be restricted to higher-privileged roles.

Critical Impact

Authenticated attackers can bypass access controls to read or modify sensitive data without proper authorization, potentially compromising site integrity and confidentiality.

Affected Products

• Essekia Tablesome WordPress Plugin version 1.1.35.2 and earlier
• WordPress installations using vulnerable Tablesome plugin versions

Discovery Timeline

• 2026-01-23 - CVE-2026-24524 published to NVD
• 2026-01-26 - Last updated in NVD database

Technical Details for CVE-2026-24524

Vulnerability Analysis

This Missing Authorization vulnerability in the Tablesome WordPress plugin represents a significant access control failure. The vulnerability allows authenticated users to bypass intended security restrictions and perform actions they should not be authorized to execute.

WordPress plugins that handle table creation and data management, like Tablesome, often require robust permission checks to ensure that only administrators or editors can modify table structures and data. When these checks are missing or improperly implemented, lower-privileged users such as subscribers or contributors can potentially access, modify, or delete table data.

The network-accessible nature of this vulnerability means it can be exploited remotely by any authenticated user on the WordPress installation. The attack requires low privileges to execute and does not require user interaction, making it relatively straightforward to exploit once an attacker has obtained any valid user account.

Root Cause

The root cause of CVE-2026-24524 is the absence of proper authorization checks (CWE-862) within the Tablesome plugin's functionality. The plugin fails to verify whether the currently authenticated user has sufficient permissions before processing sensitive requests. This typically occurs when plugin developers rely solely on authentication without implementing granular capability checks using WordPress's built-in current_user_can() function or similar authorization mechanisms.

Attack Vector

The attack vector for this vulnerability is network-based, requiring an authenticated session on the target WordPress site. An attacker would need to:

1. Obtain or create a low-privileged user account on the WordPress installation
2. Identify API endpoints or AJAX actions within the Tablesome plugin that lack proper authorization
3. Send crafted requests to these endpoints to perform unauthorized operations
4. Access or modify table data that should be restricted to administrators

The vulnerability does not require user interaction and can be exploited directly once the attacker has authenticated to the system. The impact primarily affects confidentiality and integrity of data managed by the plugin.

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

Detection Methods for CVE-2026-24524

Indicators of Compromise

• Unusual access patterns to Tablesome plugin endpoints from low-privileged user accounts
• Audit log entries showing table modifications by users who should not have edit permissions
• Unexpected changes to table data or configurations in the Tablesome plugin
• AJAX requests to Tablesome action handlers from non-administrator sessions

Detection Strategies

• Monitor WordPress audit logs for unauthorized access attempts to Tablesome functionality
• Implement Web Application Firewall (WAF) rules to detect anomalous requests to plugin endpoints
• Review user activity logs for privilege escalation patterns or unusual data access
• Deploy file integrity monitoring to detect unauthorized modifications to plugin files

Monitoring Recommendations

• Enable detailed logging for WordPress AJAX actions related to the Tablesome plugin
• Configure alerts for table data modifications by non-administrator users
• Regularly audit user roles and capabilities on WordPress installations
• Monitor for bulk or automated requests to Tablesome plugin endpoints

How to Mitigate CVE-2026-24524

Immediate Actions Required

• Update the Tablesome plugin to a patched version immediately if available
• Review and audit all user accounts on affected WordPress installations
• Remove or disable the Tablesome plugin until a patch is applied
• Implement additional access control measures at the web server or WAF level

Patch Information

Organizations should check the official Tablesome plugin page on WordPress.org or the Essekia vendor website for updated versions that address this vulnerability. The Patchstack Vulnerability Report may contain additional remediation guidance.

It is recommended to update to a version higher than 1.1.35.2 once a patched release becomes available.

Workarounds

• Temporarily disable the Tablesome plugin until a patch is available
• Restrict user registration and limit accounts to trusted users only
• Implement server-level access controls to restrict plugin endpoint access
• Use a WordPress security plugin to add additional authorization layers
• Review and remove unnecessary user accounts, particularly those with subscriber or contributor roles

# WordPress CLI commands to manage the vulnerability
# Deactivate Tablesome plugin temporarily
wp plugin deactivate tablesome

# List all users to audit accounts
wp user list --fields=ID,user_login,user_email,roles

# Check current Tablesome plugin version
wp plugin get tablesome --field=version