CVE-2026-89289

MediumCVSS 5.3/10Last modified Oct 6, 2026

Description

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-862

Affected software

Vendor	Product	Versions
Unknown	Fast Courier	<= 5.2.3

References

https://wpscan.com/vulnerability/716b6d58-a816-43f2-8a1a-b9fe4f2f9d1d/

Timeline

Published: Oct 6, 2026
Last modified: Oct 6, 2026
NVD status: Deferred

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