CVE-2026-89288: CWE-89 SQL Injection in Fast Courier
Description
CVE-2026-89288 is a SQL injection vulnerability in the Fast Courier WordPress plugin versions 5.0.0 up to but not including 5.2.4. The plugin fails to sanitize and escape input on an unauthenticated REST route, allowing attackers to execute SQL injection attacks and read arbitrary data from the database.
Affected software
Fast Courier
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Fast Courier WordPress plugin before version 5.2.4 contains a SQL injection vulnerability (CWE-89) due to improper sanitization and escaping of a value used in a SQL query on an unauthenticated REST route. This flaw allows unauthenticated attackers to perform SQL injection and access arbitrary database data.
Potential Impact
An attacker can exploit this vulnerability without authentication to perform SQL injection attacks, potentially reading sensitive data from the database. This could lead to data disclosure and compromise of the affected WordPress site.
Mitigation Recommendations
Upgrade the Fast Courier plugin to version 5.2.4 or later, where this vulnerability is fixed. No other mitigation guidance is provided. Patch status is not explicitly confirmed in the input, but the affected versions are clearly stated as before 5.2.4, implying the fix is in 5.2.4 or later.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-11T12:16:42.859Z
- State
- PUBLISHED
Threat ID: 6acf225a2cdf04f656513bb0
Added to database: 10/14/2026, 06:34:02 UTC
Last enriched: 10/14/2026, 06:49:32 UTC
Last updated: 10/14/2026, 19:00:33 UTC
Views: 15
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