CVE-2021-4362 Missing authorization in Social Sharing Plugin – Kiwi

Critical 9.8 Published Updated

Unauthenticated attackers can read and modify arbitrary options via a missing capability check, potentially leading to site takeover.

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-2021-4362?

CVE-2021-4362 is a critical missing authorization vulnerability in wpkube Social Sharing Plugin – Kiwi, published on 7 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Kiwi Social Share plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the kiwi_social_share_get_option() function called via the kiwi_social_share_get_option AJAX action in version 2.1.0. This makes it possible for unauthenticated attackers to read and modify arbitrary options on a WordPress site that can be used for complete site takeover. This was a previously fixed vulnerability that was reintroduced in this version.

Weakness: CWE-862

Which versions are affected by CVE-2021-4362?

It affects 1 product.

Products include Wpkube Kiwi Social Share.

How do I fix CVE-2021-4362?

No fix has been published for CVE-2021-4362 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-4362 being exploited?

There is no known exploitation of CVE-2021-4362 in the wild and no public exploit code.

Sources

Also known as GHSA-v95r-22v9-3fc7.

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