CVE-2026-11399 Missing authorization in Helpdesk Support Ticket System for WooCommerce
Authenticated subscribers can delete arbitrary ticket responses belonging to other users due to missing authorization checks on the ID parameter.
- 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-2026-11399?
CVE-2026-11399 is a medium-severity missing authorization vulnerability in wpcodefactory Helpdesk Support Ticket System for WooCommerce, published on 3 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Helpdesk Support Ticket System for WooCommerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.1.6 via the 'id' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary ticket responses belonging to other users by supplying any stsw_responses row ID to the deletion handler after obtaining the nonce from the admin footer.
Weakness: CWE-639
Which versions are affected by CVE-2026-11399?
How do I fix CVE-2026-11399?
No fix has been published for CVE-2026-11399 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-2026-11399 being exploited?
There is no known exploitation of CVE-2026-11399 in the wild and no public exploit code.
Sources
Also known as GHSA-vv97-3hr9-5prm.