CVE-2026-108695
MultiVendorX through 5.0.19 Incorrect Authorization via Settings REST Endpoint
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-863 |
| Vendor | multivendorx |
| Product | multivendorx |
| Published | Oct 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
Low
Affected Versions
multivendorx / MultiVendorX
0 ≤ 5.0.19
References
github.com: https://github.com/multivendorx/multivendorx/issues/2375 github.com: https://github.com/multivendorx/multivendorx github.com: https://github.com/multivendorx/multivendorx/blob/8a717799b02f698e4b2b61a282062a41fbe15183/plugins/multivendorx/classes/RestAPI/Controllers/Settings.php#L77-L80 github.com: https://github.com/multivendorx/multivendorx/blob/8a717799b02f698e4b2b61a282062a41fbe15183/plugins/multivendorx/classes/RestAPI/Controllers/Settings.php#L157-L172 wordpress.org: https://wordpress.org/plugins/dc-woocommerce-multi-vendor/ vulncheck.com: https://www.vulncheck.com/advisories/multivendorx-through-5.0.19-incorrect-authorization-via-settings-rest-endpoint
Credits
George Chen