CVE-2023-1196 Advanced Custom Fields - Contributor+ PHP Object Injection

High 8.8 Published Updated

Contributors can trigger PHP object injection via unsafe deserialization, potentially leading to code execution if suitable gadgets exist.

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-2023-1196?

CVE-2023-1196 is a high-severity unsafe deserialization vulnerability in Unknown Advanced Custom Fields (ACF), published on 2 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Advanced Custom Fields (ACF) Free and Pro WordPress plugins 6.x before 6.1.0 and 5.x before 5.12.5 unserialize user controllable data, which could allow users with a role of Contributor and above to perform PHP Object Injection when a suitable gadget is present.

Weakness: CWE-502

Which versions are affected by CVE-2023-1196?

It affects 1 product.

Products include Advancedcustomfields Advanced Custom Fields.

How do I fix CVE-2023-1196?

No fix has been published for CVE-2023-1196 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-2023-1196 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1196 exists.

Sources

Also known as GHSA-mqwh-49j7-27h8.

Is CVE-2023-1196 in your software?

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