EUVD-2026-84400
GHSA-494w-928f-793q
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable AJAX action needing only a subscriber account (PR:L), no interaction; impact limited to disclosure of vendor PII (C:L), no integrity or availability effect.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
4DescriptionCVE.org
MarketKing plugin for WordPress before 2.1.72 contains a missing authorization vulnerability in the marketking_admin_vendors_ajax AJAX action that allows authenticated attackers with subscriber-level access or higher to retrieve the complete vendor directory by sending a crafted AJAX request. Attackers can exploit the absence of capability checks in the vendor management action to retrieve internal user IDs, usernames, and email addresses of all registered vendors, exposing personally identifiable information to any logged-in user regardless of role.
Articles & Coverage 1
AnalysisAI
Authenticated subscriber-level users can retrieve the complete vendor directory from WordPress sites running MarketKing before 2.1.72 by invoking the marketking_admin_vendors_ajax AJAX action, which lacks a capability check. This exposes internal user IDs, usernames, and email addresses of all registered vendors to any logged-in user, making it a personally identifiable information disclosure issue rather than code execution or data modification. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an authenticated WordPress account of subscriber level or higher on a site running the MarketKing (Multivendor Marketplace for WooCommerce) plugin before version 2.1.72. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a low-to-moderate real-world risk despite the vendor's CVSS 4.0 base of 7.1. … 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 | Vendor-released patch: update MarketKing to version 2.1.72 or later; the changelog at https://marketkingplugin.com/changelog/ documents the fix. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory every WordPress installation running MarketKing and identify all instances below 2.1.72; where the plugin is not business-critical, deactivate it, and where it is required, immediately restrict or disable open subscriber self-registration so untrusted users cannot obtain the low-privileged account needed to invoke the marketking_admin_vendors_ajax action. …
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External POC / Exploit Code
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