CVE-2026-89288 Details
Description
The Fast Courier WordPress plugin before 5.2.4 does not sanitize and escape a value before using it in a SQL query on an unauthenticated REST route, allowing unauthenticated attackers to perform SQL injection and read arbitrary data from the database.
A SQL injection vulnerability has been identified in the Fast Courier WordPress plugin, affecting versions prior to 5.2.4. The issue arises because the plugin fails to properly sanitize and escape values before incorporating them into SQL queries on an unauthenticated REST route. This oversight allows unauthenticated attackers to execute SQL injection attacks and access arbitrary data from the database.
Users are advised to update the Fast Courier WordPress plugin to version 5.2.4 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 14, 2026CISA-ADP
Assessed Oct 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://wpscan.com/vulnerability/8b651892-fc8a-4c8b-a04d-5c76b5b85577/ | [email protected] | AdvisoryExploitRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-89 | Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Fast Courier | >= 5.0.0, <= 5.2.3 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 15, 2026 | CVE Modified | CISA-ADP |
| Oct 14, 2026 | New CVE Received | [email protected] |