CVE-2024-5326 Missing authorization in Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX

High 8.8 Published Updated

Authenticated attackers with Contributor access can modify arbitrary site options, potentially enabling registration and granting Administrator privileges to new users.

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-2024-5326?

CVE-2024-5326 is a high-severity missing authorization vulnerability in wpxpo Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX, published on 30 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'postx_presets_callback' function in all versions up to, and including, 4.1.2. This makes it possible for authenticated attackers, with Contributor-level access and above, to change arbitrary options on affected sites. This can be used to enable new user registration and set the default role for new users to Administrator.

Weakness: CWE-862

Which versions are affected by CVE-2024-5326?

How do I fix CVE-2024-5326?

No fix has been published for CVE-2024-5326 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-2024-5326 being exploited?

There is no known exploitation of CVE-2024-5326 in the wild and no public exploit code.

Public exploit code: 2 proofs of concept on GitHub.

Sources

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