CVE-2026-90972 WP Fusion Lite < 3.48.0 - Subscriber+ User Email Disclosure and Cross-User CRM Data Deletion

Medium 5.4 Published Updated

Authenticated subscribers can read other users' emails and trigger cross-user CRM data deletion due to missing capability checks in admin AJAX handlers.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-90972?

CVE-2026-90972 is a medium-severity missing authorization vulnerability in Unknown WP Fusion Lite, published on 1 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The WP Fusion Lite WordPress plugin before 3.48.0 does not perform a capability check on two of its admin AJAX handlers, allowing any authenticated subscriber to read other users' email addresses and to trigger a cross-user CRM re-sync.

Weakness: CWE-284

Which versions are affected by CVE-2026-90972?

How do I fix CVE-2026-90972?

No fix has been published for CVE-2026-90972 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-90972 being exploited?

There is no known exploitation of CVE-2026-90972 in the wild and no public exploit code.

Sources

Also known as GHSA-259g-3h2p-gwg5.

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