CVE-2026-89289

Published 6 October 2026 · tracked since 7 October 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.

References

• NVD — National Vulnerability Database
• CVE.org record (MITRE)
• CISA Known Exploited Vulnerabilities catalog

Latest tracked vulnerabilities

• CVE-2026-107204 CRITICAL 9.8
• CVE-2026-106559 MEDIUM 6.3
• CVE-2026-106560 HIGH 7.1
• CVE-2026-106561 MEDIUM 5
• CVE-2026-106563 MEDIUM 5.3
• CVE-2026-106558 HIGH 8.8
• CVE-2026-106510 HIGH 7.7
• CVE-2026-106556 HIGH 7.7
• CVE-2025-70521 CRITICAL 9.8
• CVE-2025-70518 CRITICAL 10

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