CVE-2020-36703 Elementor Website Builder <= 2.9.7 - Authenticated Stored Cross-Site Scripting

What is CVE-2020-36703?

CVE-2020-36703 is a medium-severity cross-site scripting vulnerability in elemntor Elementor Website Builder – more than just a page builder, published on 7 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Elementor Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG image uploads in versions up to, and including 2.9.7 This makes it possible for authenticated attackers with the upload_files capability to inject arbitrary web scripts in pages that will execute whenever a user accesses the page with the stored web scripts.

Weakness: CWE-79

Which versions are affected by CVE-2020-36703?

It affects 1 product.

Products include Elementor Website Builder.

How do I fix CVE-2020-36703?

No fix has been published for CVE-2020-36703 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-2020-36703 being exploited?

There is no known exploitation of CVE-2020-36703 in the wild and no public exploit code.

Other vulnerabilities in elemntor Elementor Website Builder – more than just a page builder

• CVE-2023-48777 WordPress Elementor plugin 3.3.0-3.18.1 - Arbitrary File Upload vulnerability Critical 9.9
• CVE-2020-7109 Cross-site scripting in n/a Critical 9.8
• CVE-2022-1329 Elementor Website Builder 3.6.0 - 3.6.2 - Missing Authorization to Remote Code Execution High 8.8
• CVE-2024-24934 WordPress Elementor plugin <= 3.19.0 - Arbitrary File Deletion and Phar Deserialization vulnerability High 8.5
• CVE-2023-0329 Elementor Website Builder < 3.12.2 - Admin+ SQLi High 7.2

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vm89-qhc8-q63h.