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CVE-2021-24384 JoomSport < 5.1.8 - Unauthenticated PHP Object Injection

Critical 9.8 Published Updated

Unauthenticated attackers can trigger PHP object injection via the shattr parameter, potentially leading to remote code execution if compatible gadget chains exist.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-24384?

CVE-2021-24384 is a critical unsafe deserialization vulnerability in Unknown JoomSport – for Sports: Team & League, Football, Hockey & more, published on 6 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The joomsport_md_load AJAX action of the JoomSport WordPress plugin before 5.1.8, registered for both unauthenticated and unauthenticated users, unserialised user input from the shattr POST parameter, leading to a PHP Object Injection issue. Even though the plugin does not have a suitable gadget chain to exploit this, other installed plugins could, which might lead to more severe issues such as RCE

Weakness: CWE-502

Which versions are affected by CVE-2021-24384?

It affects 1 product.

Products include Beardev Joomsport.

How do I fix CVE-2021-24384?

No fix has been published for CVE-2021-24384 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-2021-24384 being exploited?

There is no known exploitation of CVE-2021-24384 in the wild and no public exploit code.

Sources

Also known as GHSA-2mh8-69x2-q9m6.

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