CVE-2024-5726 Timeline Event History <= 3.1 - Authenticated (Contributor+) PHP Object Injection

High 8.8 Published Updated

Authenticated attackers can exploit PHP object injection in the Timeline Event History plugin to potentially execute code or access data if a POP chain exists.

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-2024-5726?

CVE-2024-5726 is a high-severity unsafe deserialization vulnerability in wpdiscover Timeline Event History, published on 18 Jul 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Timeline Event History plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.1 via deserialization of untrusted input 'timelines-data' parameter. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Weakness: CWE-502

Which versions are affected by CVE-2024-5726?

How do I fix CVE-2024-5726?

No fix has been published for CVE-2024-5726 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-2024-5726 being exploited?

There is no known exploitation of CVE-2024-5726 in the wild and no public exploit code.

Sources

Also known as GHSA-6jmx-ch37-5v5v.

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