CVE-2026-108695 MultiVendorX through 5.0.19 Incorrect Authorization via Settings REST Endpoint
Store owners can modify marketplace-wide settings like commissions and payouts due to incorrect authorization checks in the REST API.
- 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-2026-108695?
CVE-2026-108695 is a high-severity missing authorization vulnerability in MultiVendorX, published on 11 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
MultiVendorX WordPress plugin through 5.0.19 contains an incorrect authorization vulnerability that allows vendor accounts to modify marketplace-wide settings via the settings REST endpoint. Attackers with the store_owner role can send POST requests to /wp-json/multivendorx/v1/settings, gated only by edit_stores, to overwrite commission, payout, and onboarding settings.
Weakness: CWE-863
Which versions are affected by CVE-2026-108695?
How do I fix CVE-2026-108695?
No fix has been published for CVE-2026-108695 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-2026-108695 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108695 exists.
Sources
Also known as GHSA-h37j-r28p-597w.