CVE-2026-81427: CWE-862 Missing Authorization in WC Vendors
Description
The WC Vendors WordPress plugin before 2.7.2.1 does not verify that the vendor submitting a front-end order shipment status change owns the referenced order, allowing any authenticated vendor to mark another vendor's order as shipped, add an order note falsely attributed to the victim vendor, and trigger the customer shipment notification email.
CVSS v3.1
Score 4.3medium
Affected software
WC Vendors
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-81427 is a missing authorization vulnerability (CWE-862) in the WC Vendors WordPress plugin prior to version 2.7.2.1. The plugin fails to verify that a vendor submitting a front-end order shipment status change actually owns the referenced order. This allows any authenticated vendor to mark another vendor's order as shipped, add false order notes attributed to the victim vendor, and trigger customer shipment notification emails incorrectly. The vulnerability has a CVSS 3.1 base score of 4.3 (medium severity), reflecting low complexity and limited impact confined to integrity.
Potential Impact
An authenticated vendor can manipulate order shipment statuses and notes of other vendors' orders, potentially causing confusion and misinformation for customers and vendors. There is no impact on confidentiality or system availability. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict vendor permissions carefully and monitor for suspicious order status changes. Avoid granting unnecessary privileges to vendors.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-26T19:11:49.129Z
- State
- PUBLISHED
Threat ID: 6a97bd37acd9273b49d9bc4f
Added to database: 09/02/2026, 06:07:51 UTC
Last enriched: 09/07/2026, 14:07:38 UTC
Last updated: 10/15/2026, 06:48:19 UTC
Views: 44
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