CVE-2026-89289
The Fast Courier WordPress plugin through 5.2.3 does not restrict an unauthenticated REST route that writes order fulfillment data, allowing unauthenticated attackers to overwrite the courier status and customer-facing tracking details of any WooCommerce order by supplying its id.
Published:Oct 6, 2026
Last Modified:Oct 9, 2026
EPS:Oct 6, 2026
EPSS Score:0.00182
CVSS Score:5.3
Affected Products
Vendor
Product
Action
Vendor
Wordpress-extensions
Product
Fast Courier
Wordpress-extensions
Fast Courier
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
