CVE-2026-11359: Auth Bypass (CVSS 4.3)

Description

The Memberships and User Profiles for WooCommerce – ProfileGrid WooCommerce Integration plugin for WordPress is vulnerable to unauthorized plugin installation and activation in versions up to, and including, 3.4. This is due to a missing capability check and missing nonce validation on the pg_install_profilegrid() AJAX handler registered via wp_ajax_pg_install_profilegrid. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate the ProfileGrid plugin from wordpress.

Is your site exposed to CVE-2026-11359?

Run a free security scan — no signup, results in seconds.

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

EPSS — Exploit Prediction

0.0025

Probability of exploitation

0.16%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-862 Missing Authorization

References

Other References

https://plugins.trac.wordpress.org/browser/ecommerce-user-profiles-by-profilegrid/tags/3.4/admin/class-profilegrid-woocommerce-admin.php#L303 https://plugins.trac.wordpress.org/browser/ecommerce-user-profiles-by-profilegrid/tags/3.4/admin/class-profilegrid-woocommerce-admin.php#L352 https://plugins.trac.wordpress.org/browser/ecommerce-user-profiles-by-profilegrid/tags/3.4/includes/class-profilegrid-woocommerce.php#L166 https://plugins.trac.wordpress.org/changeset?reponame=&old=3592677%40ecommerce-user-profiles-by-profilegrid&new=3592677%40ecommerce-user-profiles-by-profilegrid https://www.wordfence.com/threat-intel/vulnerabilities/id/4cce2842-bd8e-4a83-b83c-66aefe4df4b8?source=cve

Frequently Asked Questions

What is CVE-2026-11359? +

The Memberships and User Profiles for WooCommerce – ProfileGrid WooCommerce Integration plugin for WordPress is vulnerable to unauthorized plugin installation and activation in versions up to, and including, 3.4. This is due to a missing capability check and missing nonce validation on the pg_install_profilegrid() AJAX handler registered via wp_ajax_pg_install_profilegrid. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate the ProfileGrid plugin from wordpress. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-11359? +

CVE-2026-11359 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. The EPSS score is 0.0025, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-11359? +

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.

Related Vulnerabilities

CVE-2026-40570

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, the `load_customer_info` action in `POST /conversation/ajax` …

CVE-2026-48127

Frappe is a full-stack web application framework. Prior to 16.20.0 and 15.110.0, users without write access could attach files to …

CVE-2026-42317

GLPI is a free asset and IT management software package. Starting in version 0.78 and prior to versions 10.0.25 and …

CVE-2026-4881

In affected versions of Octopus Server, permissions were not checked correctly resulting in any authenticated user being able to make …

CVE-2026-40543

SOPlanning does not enforce authorization for backup functionalities. An unauthenticated attacker can directly query backup-related endpoints and retrieve backup archives …

CVE-2026-10831

A denial-of-service vulnerability exists in NPort devices because of improper access control on the command port. The command interface does …

CVE-2026-11359