CVE-2026-5149 Missing authorization in RTMKit

Medium 6.5 Published Updated

Authenticated attackers with Contributor access can view arbitrary form submissions from other users due to missing authorization checks in the RTMKit plugin.

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-2026-5149?

CVE-2026-5149 is a medium-severity missing authorization vulnerability in rometheme RTMKit, published on 16 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The RTMKit plugin for WordPress is vulnerable to Incorrect Authorization in all versions up to, and including, 2.0.7 This is due to the get_submission_content AJAX endpoint lacking a capability check to verify that a user has permission to access the requested form submission data. This makes it possible for authenticated attackers, with Contributor-level access and above, to view arbitrary form submissions from other users by iterating the entries_id parameter.

Weakness: CWE-863

Which versions are affected by CVE-2026-5149?

How do I fix CVE-2026-5149?

No fix has been published for CVE-2026-5149 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-2026-5149 being exploited?

There is no known exploitation of CVE-2026-5149 in the wild and no public exploit code.

Sources

Also known as GHSA-h4qv-p2j9-74cq.

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