EUVD-2026-75964
GHSA-w9pm-mr7j-6qjf
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Vendor role is low-privileged (PR:L not PR:H); network-accessible with no complexity; full CIA impact from site takeover.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
7DescriptionCVE.org
The MultiVendorX WordPress plugin before 5.0.16 does not restrict who can update its role and capability settings, allowing users holding its vendor role to grant that role administrator-level capabilities and take over the site.
AnalysisAI
Privilege escalation in MultiVendorX WordPress plugin before 5.0.16 allows authenticated vendor-role users to grant administrator-level WordPress capabilities to the vendor role, enabling full site takeover. The plugin's role and capability settings update mechanism fails to enforce access boundaries, letting any vendor - a legitimately registered but low-privileged marketplace seller - rewrite role permissions without restriction. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold a valid vendor-role account on the target WordPress site running MultiVendorX < 5.0.16. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The supplied CVSS vector is CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H (score 7.2), but PR:H is inconsistent with the described attack: the vendor role is a low-privileged marketplace seller, not an administrator. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update MultiVendorX to version 5.0.16 or later via the WordPress admin dashboard (Plugins → Installed Plugins → Update) or wp-cli ('wp plugin update dc-woocommerce-multi-vendor'). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify all WordPress installations using MultiVendorX plugin and document current versions; immediately restrict creation of new vendor accounts pending patch deployment. …
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External POC / Exploit Code
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