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 Elementor Header & Footer Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the size attribute in all versions up to, and including, 1.6.26 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
Ultimate Addons for Elementor versions up to 1.6.26 contain a cross-site scripting vulnerability that allows authenticated users with low privileges to inject malicious scripts. The vulnerability affects the site's scope, potentially impacting other users and site functionality. A patch is available in versions newer than 1.6.26.
What an attacker can do
Inject malicious scripts that execute in other users' browsers and affect site functionality.
Potential impact on your site
Authenticated users can inject scripts affecting other visitors and site behavior; update the plugin immediately.
Conditions required to exploit
Attacker must have a low-privilege authenticated account; no user interaction required.
Key dates
External resources
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