CVE-2024-1521 Cross-site scripting in Elementor Website Builder Pro

Medium 6.4 Published Updated

Authenticated contributors can inject arbitrary scripts via SVGZ uploads in Elementor Pro, executing code when users view pages on NGINX servers.

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-2024-1521?

CVE-2024-1521 is a medium-severity cross-site scripting vulnerability in https://elementor.com/ Elementor Website Builder Pro, published on 27 Mar 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Elementor Website Builder Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an SVGZ file uploaded via the Form widget in all versions up to, and including, 3.20.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. NOTE: This vulnerability is only exploitable on web servers running NGINX. It is not exploitable on web servers running Apache HTTP Server.

Weakness: CWE-79

Which versions are affected by CVE-2024-1521?

It affects 1 product.

Products include Elementor Elementor Pro.

How do I fix CVE-2024-1521?

No fix has been published for CVE-2024-1521 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-1521 being exploited?

There is no known exploitation of CVE-2024-1521 in the wild and no public exploit code.

Sources

Also known as GHSA-62g5-mhwv-6rw4.

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