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 WP Extended plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 3.0.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.
Explanation of Vulnerability in Simple Terms
The Ultimate WordPress Toolkit plugin versions 3.0.15 and earlier contain a stored cross-site scripting vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers, including administrators. The vulnerability affects the site's scope, potentially compromising admin accounts and sensitive data.
What an attacker can do
Inject malicious scripts that run in other users' browsers, including administrators.
Potential impact on your site
Attackers can steal admin credentials, modify site content, or install malware through compromised admin sessions.
Conditions required to exploit
Attacker must be logged in as a low-privilege user (e.g., subscriber or contributor).
Key dates
External resources
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