CVE-2026-25008: Ninja Tables Information Disclosure Flaw

CVE-2026-25008 Overview

CVE-2026-25008 is a Sensitive Data Exposure vulnerability affecting the Ninja Tables WordPress plugin developed by Shahjahan Jewel. The vulnerability stems from the insertion of sensitive information into sent data (CWE-201), allowing attackers to retrieve embedded sensitive data from affected WordPress installations. This issue affects all versions of Ninja Tables through version 5.2.5.

Critical Impact

Attackers can exploit this vulnerability to extract sensitive information embedded within table data, potentially exposing confidential user data, configuration details, or other protected information stored within Ninja Tables instances.

Affected Products

• Ninja Tables WordPress Plugin versions up to and including 5.2.5
• WordPress installations utilizing the vulnerable Ninja Tables plugin

Discovery Timeline

• 2026-02-19 - CVE-2026-25008 published to NVD
• 2026-02-19 - Last updated in NVD database

Technical Details for CVE-2026-25008

Vulnerability Analysis

This vulnerability is classified as CWE-201: Insertion of Sensitive Information Into Sent Data. The Ninja Tables plugin fails to properly sanitize or filter sensitive information before including it in data sent to users or external entities. This design flaw allows unauthorized parties to retrieve embedded sensitive data that should not be accessible through normal plugin operations.

The vulnerability exists within the data handling mechanisms of the Ninja Tables plugin, where sensitive information may be inadvertently exposed through API responses, rendered table content, or other data transmission channels. This type of vulnerability is particularly concerning in WordPress environments where tables may contain user-submitted data, configuration values, or other sensitive business information.

Root Cause

The root cause of this vulnerability lies in improper data handling within the Ninja Tables plugin. The plugin fails to implement adequate data segregation and filtering mechanisms, resulting in sensitive information being included in responses or data transmissions where it should be excluded. This typically occurs when:

• Internal data structures containing sensitive fields are serialized without proper filtering
• API endpoints return more information than necessary for the requested operation
• Caching mechanisms store and expose sensitive data inappropriately
• Table rendering logic includes hidden or internal data in the output

Attack Vector

An attacker can exploit this vulnerability by interacting with a WordPress site running a vulnerable version of the Ninja Tables plugin. The attack does not require authentication in most scenarios, making it accessible to remote unauthenticated attackers. By crafting specific requests or inspecting responses from the plugin's functionality, an attacker can extract sensitive data that was not intended to be exposed.

The vulnerability manifests in the data handling routines of the Ninja Tables plugin. Attackers can leverage standard web requests to retrieve embedded sensitive information. For detailed technical analysis, see the Patchstack Security Advisory.

Detection Methods for CVE-2026-25008

Indicators of Compromise

• Unusual API requests targeting Ninja Tables plugin endpoints
• Abnormal data retrieval patterns from table-related functionality
• Unexpected access to internal plugin data structures or endpoints
• Log entries showing requests for table data with expanded or verbose parameters

Detection Strategies

• Monitor WordPress access logs for suspicious requests to Ninja Tables plugin paths (typically /wp-json/ninja-tables/ or similar endpoints)
• Implement Web Application Firewall (WAF) rules to detect and block attempts to access sensitive data endpoints
• Review plugin activity logs for unauthorized data access attempts
• Deploy endpoint detection solutions to identify anomalous WordPress plugin behavior

Monitoring Recommendations

• Enable detailed logging for all WordPress API requests and plugin interactions
• Configure alerts for high-volume or unusual requests to Ninja Tables endpoints
• Implement network traffic analysis to detect potential data exfiltration
• Regularly audit table contents to ensure sensitive data is appropriately protected

How to Mitigate CVE-2026-25008

Immediate Actions Required

• Update Ninja Tables to the latest patched version immediately
• Audit all tables created with Ninja Tables for sensitive data exposure
• Review access logs for potential exploitation attempts
• Consider temporarily disabling the plugin if immediate patching is not possible
• Implement additional access controls at the web server or WAF level

Patch Information

Users should upgrade the Ninja Tables plugin to a version newer than 5.2.5 that contains the security fix for this vulnerability. Check the official WordPress plugin repository or the Patchstack Security Advisory for the latest patched version information.

Workarounds

• Restrict access to the WordPress admin panel and Ninja Tables settings to trusted administrators only
• Implement IP-based access controls to limit who can interact with the plugin's functionality
• Configure a Web Application Firewall (WAF) to filter requests to Ninja Tables endpoints
• Remove or redact sensitive data from existing tables until the plugin can be updated
• Consider using alternative table plugins until a patched version is available

# Disable Ninja Tables plugin via WP-CLI until patched
wp plugin deactivate ninja-tables

# Verify current plugin version
wp plugin get ninja-tables --field=version

# Update to latest version when patch is available
wp plugin update ninja-tables