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Vulnerability record · CVE-2026-93343 · published 22 September 2026

CVE-2026-93343: Missing authorization vulnerability

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.

7.1 CVSS 4.0 High EPSS 0.40% · top 68.2% CWE-862 · Missing authorization Deferred
7.1CVSS 4.0 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
26 Sep 2026Last modified by NVD

Description

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.

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:

References

LinkTags
https://marketkingplugin.com/changelog/
https://wordpress.org/plugins/marketking-multivendor-marketplace-for-woocommerce/
https://www.vulncheck.com/advisories/marketking-missing-authorization-via-marketking-admin-vendors-ajax

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Source: NIST National Vulnerability Database (record CVE-2026-93343), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.