WordPress security changelog
MEDIUM CVE-2026-81427 Deferred

WC Vendors permits cross-vendor shipment-status manipulation

WC Vendors before 2.7.2.1 does not verify that a vendor owns the order referenced by a front-end shipment-status request. Any authenticated vendor can mark another vendor's order as shipped, add a note falsely attributed to that vendor, and trigger a customer shipment email.

CVE / CNA score 4.3 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score Pending NVD has not published its own CVSS assessment.
Component
WC Vendors
Plugin slug
wc-vendors
Affected
< 2.7.2.1
Safe version
2.7.2.1
Published
Sep 02, 2026
Weakness
CWE-862 — Missing Authorization

This CVE was published Sep 02, 2026 and is one of 8 known issues for this plugin.

Update, patch or deactivate.

Update to WC Vendors 2.7.2.1 or later and reconcile shipment states, order notes, and notification activity across vendor accounts.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical 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.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Primary and upstream sources