CVE-2026-108695
MultiVendorX through 5.0.19 Incorrect Authorization via Settings REST Endpoint
- State
- Published
- Severity
- 7.1 High
- Published
- Oct 11, 2026
- Updated
- Oct 14, 2026
- Reserved
- Oct 10, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L | VulnCheck |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
MultiVendorXmultivendorx |
|
References
- GitHub Issue #2375issue-tracking
- https://github.com/multivendorx/multivendorxproduct
- https://github.com/multivendorx/multivendorx/blob/8a717799b02f698e4b2b61a282062a41fbe15183/plugins/multivendorx/classes/RestAPI/Controllers/Settings.php#L77-L80technical-description
- https://github.com/multivendorx/multivendorx/blob/8a717799b02f698e4b2b61a282062a41fbe15183/plugins/multivendorx/classes/RestAPI/Controllers/Settings.php#L157-L172technical-description
- https://wordpress.org/plugins/dc-woocommerce-multi-vendor/product
- VulnCheck Advisory: MultiVendorX through 5.0.19 Incorrect Authorization via Settings REST Endpointthird-party-advisory
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