---
id: CVE-2026-89288
title: >-
  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 fro…
summary: >-
  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 fro…
severity: none
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T07:17:04.387'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-89288'
references:
  - url: 'https://wpscan.com/vulnerability/8b651892-fc8a-4c8b-a04d-5c76b5b85577/'
    label: contact@wpscan.com
tags:
  - nvd
ingestedAt: '2026-10-14T07:21:04.845Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.