CVE-2026-81420
Received Received - Intake

SQL Injection in Tcard WP WordPress Plugin

Publication date: 2026-10-11

Last updated on: 2026-10-11

Assigner: WPScan

Description
The Tcard WP WordPress plugin through 1.8.0 does not sanitise and escape a parameter before using it in a SQL statement in one of its unauthenticated AJAX actions, allowing unauthenticated users to perform SQL injection attacks.

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Meta Information

Published
2026-10-11
Last Modified
2026-10-11
Generated
2026-10-11
AI Q&A
2026-10-11
EPSS Evaluated
N/A
NVD
CVE-2026-81420
EUVD
EUVD-2026-96751

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Unknown Tcard WP 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

The Tcard WP WordPress plugin through version 1.8.0 has an unauthenticated SQL injection vulnerability. This occurs because the plugin does not properly sanitize and escape the 'group_id' parameter in an unauthenticated AJAX action. Attackers can exploit this to execute arbitrary SQL queries without authentication.

Detection Guidance

To detect this vulnerability, check if the Tcard WP plugin version 1.8.0 or below is installed on your WordPress site. You can use commands like 'wp plugin list' in the WordPress directory or inspect the plugin files for the vulnerable 'tcard-wp' plugin.

Impact Analysis

This vulnerability allows unauthenticated attackers to manipulate your WordPress database. They could steal sensitive data, modify or delete records, or even take control of your website. Since no authentication is required, any visitor to your site could potentially exploit this issue.

Compliance Impact

This vulnerability could lead to unauthorized access and exposure of personal data, violating GDPR and HIPAA requirements. Organizations may face legal penalties, fines, and reputational damage if exploited. Compliance with data protection regulations requires addressing such vulnerabilities promptly.

Mitigation Strategies

Immediately update the Tcard WP plugin to the latest version if available. If no update is available, consider disabling or removing the plugin until a patch is released. Monitor the plugin's official repository for updates and apply them as soon as possible.

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