CVE-2026-81427 WC Vendors < 2.7.2.1 - Vendor+ Cross-Vendor Order Shipment Status Change
Authenticated vendors can modify other vendors' orders and trigger notifications due to missing ownership checks in WC Vendors.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-81427?
CVE-2026-81427 is a medium-severity missing authorization vulnerability in Unknown WC Vendors, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-81427?
How do I fix CVE-2026-81427?
No fix has been published for CVE-2026-81427 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-81427 being exploited?
There is no known exploitation of CVE-2026-81427 in the wild and no public exploit code.
Sources
Also known as GHSA-4pgf-p454-mf4w.