Auth bypass in Multivendorx
CVE-2026-108695
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.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/multivendorx/multivendorx/issues/2375 (issue-tracking)
- github.com/multivendorx/multivendorx (product)
- github.com/multivendorx/multivendorx/blob/8a717799b02f698e4b2b61a282062a41fbe15… (technical-description)
- github.com/multivendorx/multivendorx/blob/8a717799b02f698e4b2b61a282062a41fbe15… (technical-description)
- wordpress.org/plugins/dc-woocommerce-multi-vendor/ (product)
- www.vulncheck.com/advisories/multivendorx-through-5.0.19-incorrect-authorizatio… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108695?
- CVE-2026-108695 is a high-severity vulnerability in Multivendorx, classified under Incorrect Authorization. CVSS score: 7.1/10. Published 2026-10-11.
- How severe is CVE-2026-108695?
- High severity. CVSS v3 base score is 7.1 out of 10.