CVE-2026-89288

Fast Courier 5.0.0 - 5.2.3 - Unauthenticated SQLi via 'wp_order_id' Parameter

Published Oct 14, 2026 CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions fast Courier
Vendors & Products Wordpress-extensions
Wordpress-extensions fast Courier
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'}

Type Values Removed Values Added
Weaknesses CWE-89
Type Values Removed Values Added
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.
Title Fast Courier 5.0.0 - 5.2.3 - Unauthenticated SQLi via 'wp_order_id' Parameter
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Oct 15, 2026, 10:34 AM
Reserved
Sep 11, 2026, 12:16 PM
Status
Deferred
Published
Oct 14, 2026, 7:17 AM
Modified
Oct 15, 2026, 11:17 AM