CVE-2023-2435 Blog-in-Blog <= 2.0.0 - Authenticated (Editor+) Local File Inclusion via Shortcode

High 7.2 Published Updated

Authenticated editors can exploit a shortcode vulnerability to include arbitrary files, leading to code execution or data disclosure.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-2435?

CVE-2023-2435 is a high-severity path traversal vulnerability in timhodson Blog-in-Blog, published on 31 May 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The Blog-in-Blog plugin for WordPress is vulnerable to Local File Inclusion in versions up to, and including, 2.0.0 via a shortcode attribute. This allows editor-level, and above, attackers to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where images and other “safe” file types can be uploaded and included.

Weakness: CWE-22

Which versions are affected by CVE-2023-2435?

It affects 1 product.

Products include Blog-in-Blog Project Blog-in-Blog.

How do I fix CVE-2023-2435?

No fix has been published for CVE-2023-2435 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-2435 being exploited?

There is no known exploitation of CVE-2023-2435 in the wild and no public exploit code.

Sources

Also known as GHSA-22pm-3j5r-cgw3.

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