CVE-2023-2453 Local file Inclusion (LFI) in Forum Infusion via Directory Traversal

High 8.8 Published 5 Sep 2023 Updated 27 Sep 2024

Attackers can execute arbitrary PHP code via local file inclusion in PHPFusion's Forum Infusion due to insufficient path sanitization.

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-2023-2453?

CVE-2023-2453 is a high-severity path traversal vulnerability in PHPFusion, published on 5 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

There is insufficient sanitization of tainted file names that are directly concatenated with a path that is subsequently passed to a ‘require_once’ statement. This allows arbitrary files with the ‘.php’ extension for which the absolute path is known to be included and executed. There are no known means in PHPFusion through which an attacker can upload and target a ‘.php’ file payload.

Weakness: CWE-829

Which versions are affected by CVE-2023-2453?

It affects 1 product.

Products include Php-Fusion Phpfusion.

How do I fix CVE-2023-2453?

No fix has been published for CVE-2023-2453 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-2023-2453 being exploited?

There is no known exploitation of CVE-2023-2453 in the wild and no public exploit code.

Sources

Also known as GHSA-jhqc-77ch-jg99.