CVE-2024-9891 Missing authorization in MultiLine Files for Contact Form 7

Medium 4.3 Published Updated

Authenticated subscribers can deactivate the plugin due to missing capability checks, allowing unauthorized modification of site configuration.

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-2024-9891?

CVE-2024-9891 is a medium-severity missing authorization vulnerability in zluck MultiLine Files for Contact Form 7, published on 16 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Multiline files upload for contact form 7 plugin for WordPress is vulnerable to unauthorized plugin deactivation due to a missing capability check on the mfcf7_zl_custom_handle_deactivation_plugin_form_submission() function in all versions up to, and including, 2.8.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to deactivate the plugin and send a custom reason from the site.

Weakness: CWE-862

Which versions are affected by CVE-2024-9891?

How do I fix CVE-2024-9891?

No fix has been published for CVE-2024-9891 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-2024-9891 being exploited?

There is no known exploitation of CVE-2024-9891 in the wild and no public exploit code.

Sources

Also known as GHSA-xrf4-hw94-x283.

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