Vulnerability · Published Oct 14, 2026 · Assigned by WPScan
CVE-2026-89288Fast Courier 5.0.0 - 5.2.3 - Unauthenticated SQLi via 'wp_order_id' Parameter
High 8.6
In plain English
A high-severity SQL injection in Fast Courier from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)8.6High
Exploit odds (30 days)0.3%top 71.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Fast Courier | 5.0.0 – before 5.2.4 |
Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
References
- https://wpscan.com/vulnerability/8b651892-fc8a-4c8b-a04d-5c76b5b85577/ exploit, vdb-entry, technical-description