CVE-2026-11359

MEDIUMCVSS 4.3/10EPSS 0.25%

Last modified

CVE-2026-11359 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.3/10

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

EPSS Probability
0.25%

15.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
metagaussMemberships and User Profiles for WooCommerce – ProfileGrid WooCommerce Integration<= 3.4

References

Timeline

Published
Last Modified
Status
Deferred

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.
How severe is CVE-2026-11359?
CVE-2026-11359 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-11359?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST