CVE-2023-1911 Blocksy Companion < 1.8.82 - Subscriber+ Draft Post Access

Medium 4.3 Published Updated

Authenticated users can access draft posts via shortcode due to missing authorization checks in the Blocksy Companion 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-2023-1911?

CVE-2023-1911 is a medium-severity missing authorization vulnerability in Unknown Blocksy Companion, published on 2 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Blocksy Companion WordPress plugin before 1.8.82 does not ensure that posts to be accessed via a shortcode are already public and can be viewed, allowing any authenticated users, such as subscriber to access draft posts for example

Weakness: CWE-639

Which versions are affected by CVE-2023-1911?

It affects 1 product.

Products include Creativethemes Blocksy Companion.

How do I fix CVE-2023-1911?

No fix has been published for CVE-2023-1911 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-2023-1911 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1911 exists.

Sources

Also known as GHSA-v7cp-3qx6-ff4r.

Is CVE-2023-1911 in your software?

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