CVE-2026-4162 Gravity SMTP <= 2.1.4 - Missing Authorization to Authenticated (Subscriber+) Plugin Uninstall

High 7.1 Published Updated

Authenticated subscribers can uninstall the Gravity SMTP plugin and delete its options due to missing authorization checks.

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-2026-4162?

CVE-2026-4162 is a high-severity missing authorization vulnerability in RocketGenius Gravity SMTP, published on 10 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Gravity SMTP plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 2.1.4. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to uninstall and deactivate the plugin and delete plugin options. NOTE: This vulnerability is also exploitable via a Cross-Site Request Forgery vector.

Weakness: CWE-862

Which versions are affected by CVE-2026-4162?

How do I fix CVE-2026-4162?

No fix has been published for CVE-2026-4162 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-2026-4162 being exploited?

There is no known exploitation of CVE-2026-4162 in the wild and no public exploit code.

Sources

Also known as GHSA-66q3-hgw9-jr5j.

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