CVE-2023-4971 Weaver Xtreme Theme Support < 6.3.1 - Admin+ PHP Object Injection

High 7.2 Published Updated

A high-privilege user importing a malicious file can trigger PHP object injection, potentially leading to code execution on the WordPress site.

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-2023-4971?

CVE-2023-4971 is a high-severity unsafe deserialization vulnerability in Unknown Weaver Xtreme Theme Support, published on 16 Oct 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The Weaver Xtreme Theme Support WordPress plugin before 6.3.1 unserialises the content of an imported file, which could lead to PHP object injections issues when a high privilege user import a malicious file and a suitable gadget chain is present on the blog.

Weakness: CWE-502

Which versions are affected by CVE-2023-4971?

It affects 1 product.

Products include Weavertheme Weaver Xtreme Theme Support.

How do I fix CVE-2023-4971?

No fix has been published for CVE-2023-4971 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-2023-4971 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4971 exists.

Sources

Also known as GHSA-q8w9-3c5w-2mhv.

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