CVE-2023-1381 WP Meta SEO < 4.5.5 - Author+ PHAR Deserialization

High 8.8 Published Updated

An attacker with Author privileges can achieve remote code execution via PHAR deserialization in the WP Meta SEO 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-2023-1381?

CVE-2023-1381 is a high-severity unsafe deserialization vulnerability in Unknown WP Meta SEO, published on 10 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The WP Meta SEO WordPress plugin before 4.5.5 does not validate image file paths before attempting to manipulate the image files, leading to a PHAR deserialization vulnerability. Furthermore, the plugin contains a gadget chain which may be used in certain configurations to achieve remote code execution.

Weakness: CWE-502

Which versions are affected by CVE-2023-1381?

It affects 1 product.

Products include Joomunited Wp Meta Seo.

How do I fix CVE-2023-1381?

No fix has been published for CVE-2023-1381 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2023-1381 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1381 exists.

Sources

Also known as GHSA-r57w-p77g-3j43.

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