CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
What the vulnerability does
The MarqueeAddons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Testimonial Marquee widget in all versions up to, and including, 2.4.3 due to insufficient input sanitization and output escaping on user supplied attributes. 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.
Explanation of Vulnerability in Simple Terms
Marquee Addons for Elementor versions up to 2.4.3 contain a cross-site scripting vulnerability that allows authenticated users to inject malicious scripts. The vulnerability has a changed scope, meaning injected code can affect other users and site functionality. An attacker with low-level access can craft malicious input that executes in other users' browsers without requiring additional user interaction.
What an attacker can do
Inject JavaScript code that runs in other users' browsers and affects site functionality.
Potential impact on your site
Other users' sessions and data may be compromised; site functionality could be altered for visitors.
Conditions required to exploit
Attacker must have a low-level user account (e.g., contributor or subscriber role).
Key dates
External resources
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