CVE-2026-81420: CWE-89 SQL Injection in Tcard WP
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.
CVSS v3.1
Score 8.6high
Affected software
Tcard WP
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Tcard WP WordPress plugin versions up to and including 1.8.0 contain a SQL injection vulnerability (CWE-89) due to improper sanitization and escaping of a parameter in an unauthenticated AJAX action. This flaw allows unauthenticated attackers to perform SQL injection attacks against the underlying database by manipulating the vulnerable parameter in the AJAX request. The vulnerability was published on October 11, 2026, and no official patch or fix has been documented in the provided data.
Potential Impact
Successful exploitation of this vulnerability could allow unauthenticated attackers to execute arbitrary SQL commands on the database used by the Tcard WP plugin. This may lead to unauthorized data access, data modification, or other database-related impacts depending on the database permissions and configuration. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider restricting access to the vulnerable AJAX endpoint or disabling the Tcard WP plugin if feasible to prevent exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-26T19:04:14.835Z
- State
- PUBLISHED
Threat ID: 6acb2ddf2cdf04f656b78cf2
Added to database: 10/11/2026, 06:34:07 UTC
Last enriched: 10/11/2026, 07:04:13 UTC
Last updated: 10/11/2026, 21:33:40 UTC
Views: 16
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