CVE-2025-4101: multivendorx Auth Bypass — Fix

Description

The MultiVendorX – WooCommerce Multivendor Marketplace Solutions plugin for WordPress is vulnerable to unauthorized loss of data due to a misconfigured capability check on the 'delete_fpm_product' function in all versions up to, and including, 4.2.22. This makes it possible for authenticated attackers, with Contributor-level access and above, to delete arbitrary posts, pages, attachments, and products. The vulnerability was partially patched in version 4.2.22.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
multivendorx	multivendorx	< 4.2.23

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3293832/dc-woocommerce-multi-vendor/trunk/classes/class-mvx-ajax.php?old=3272848&old_path=dc-woocommerce-multi-vendor%2Ftrunk%2Fclasses%2Fclass-mvx-ajax.php

Other References

https://plugins.trac.wordpress.org/browser/dc-woocommerce-multi-vendor/trunk/classes/class-mvx-ajax.php#L982 https://www.wordfence.com/threat-intel/vulnerabilities/id/5c1fd517-32ee-429d-9026-512afe117dc5?source=cve

Frequently Asked Questions

What is CVE-2025-4101? +

The MultiVendorX – WooCommerce Multivendor Marketplace Solutions plugin for WordPress is vulnerable to unauthorized loss of data due to a misconfigured capability check on the 'delete_fpm_product' function in all versions up to, and including, 4.2.22. This makes it possible for authenticated attackers, with Contributor-level access and above, to delete arbitrary posts, pages, attachments, and products. The vulnerability was partially patched in version 4.2.22. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-4101? +

CVE-2025-4101 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-4101? +

CVE-2025-4101 affects products from multivendorx, specifically: multivendorx. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-4101? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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