CVE-2021-4330 Envato Elements <= 2.0.10 & Template Kit <= 1.0.13 - Authenticated (Contributor+) Arbitrary File Upload

High 8.8 Published Updated

Authenticated contributors can upload arbitrary files via Zip extraction flaws in Envato Elements and Template Kit plugins, potentially achieving remote code execution.

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-2021-4330?

CVE-2021-4330 is a high-severity vulnerability in Envato Elements – Photos & Elementor Templates, published on 7 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Envato Elements & Download and Template Kit – Import plugins for WordPress are vulnerable to arbitrary file uploads due to insufficient validation of file type upon extracting uploaded Zip files in the installFreeTemplateKit and uploadTemplateKitZipFile functions. This makes it possible for attackers with contributor-lever permissions and above to upload arbitrary files and potentially gain remote code execution in versions up to and including 1.0.13 of Template Kit – Import and versions up to and including 2.0.10 of Envato Elements & Download.

Weakness: CWE-434

Which versions are affected by CVE-2021-4330?

It affects 2 products.

Products include Envato Envato Elements, Envato Template Kit - Import.

How do I fix CVE-2021-4330?

No fix has been published for CVE-2021-4330 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-4330 being exploited?

There is no known exploitation of CVE-2021-4330 in the wild and no public exploit code.

Sources

Also known as GHSA-975q-7mxh-v8gj.

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