High severity · published Oct 11, 2026
CVE-2026-108695
MultiVendorX through 5.0.19 Incorrect Authorization via Settings REST Endpoint
7.1
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MU
MultiVendorX · multivendorx
through 5.0.19 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108695
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108695
issue-tracking
https://github.com/multivendorx/multivendorx/issues/2375
product
https://github.com/multivendorx/multivendorx
technical-description
https://github.com/multivendorx/multivendorx/blob/8a717799b02f698e4b2b61a282062a41fbe15183/plugins/multivendorx/classes/RestAPI/Controllers/Settings.php#L77-L80
technical-description
https://github.com/multivendorx/multivendorx/blob/8a717799b02f698e4b2b61a282062a41fbe15183/plugins/multivendorx/classes/RestAPI/Controllers/Settings.php#L157-L172
product
https://wordpress.org/plugins/dc-woocommerce-multi-vendor/
third-party-advisory
https://www.vulncheck.com/advisories/multivendorx-through-5.0.19-incorrect-authorization-via-settings-rest-endpoint
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