WordPress security changelog
MEDIUM CVE-2026-81583 Deferred

Theme My Login permits unauthorized Multisite creation

Theme My Login 7.0 through 7.1.x does not enforce the network registration setting when processing Multisite signups. A Subscriber—and on some networks an unauthenticated visitor—can create a new site and receive Administrator privileges over it.

CVE / CNA score 5.4 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score Pending NVD has not published its own CVSS assessment.
Component
Theme My Login
Plugin slug
theme-my-login
Affected
7.0 to < 7.2.0
Safe version
7.2.0
Published
Sep 02, 2026
Weakness
CWE-269 — Improper Privilege Management

This CVE was published Sep 02, 2026 and is one of 6 known issues for this plugin.

Update, patch or deactivate.

Update to Theme My Login 7.2.0 or later and audit recently created Multisite sites, memberships, and site administrators.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The My Login WordPress plugin before 7.2.0 does not enforce the network's registration setting when processing site signups on multisite installations, allowing users with a subscriber account, and unauthenticated users on some networks, to create new sites and be granted administrator over them.

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

Primary and upstream sources