{"id":"CVE-2026-89289","title":"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 …","summary":"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 …","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-862"],"product":"Fast Courier","affected":["fast_courier <= 5.2.3"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T15:18:12.170","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89289","references":[{"url":"https://wpscan.com/vulnerability/716b6d58-a816-43f2-8a1a-b9fe4f2f9d1d/","label":"contact@wpscan.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-06T10:31:58.417839Z"},"ingestedAt":"2026-10-06T06:48:36.103Z","epss":0.00182,"epssPercentile":0.07677,"slug":"CVE-2026-89289","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":216412,"id":"CVE-2026-89289","ts":1791287892716,"field":"cvss","old":null,"new":"5.3"},{"seq":216411,"id":"CVE-2026-89289","ts":1791287892716,"field":"severity","old":"none","new":"medium"}]}