CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
What the vulnerability does
The The Notibar – Notification Bar for WordPress plugin for WordPress is vulnerable to arbitrary shortcode execution via njt_nofi_text AJAX action in all versions up to, and including, 2.1.4. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for authenticated attackers, with Subscriber-level access and above, to execute arbitrary shortcodes.
Explanation of Vulnerability in Simple Terms
The Notibar notification bar plugin for WordPress contains a code injection vulnerability in versions up to 2.1.4. An authenticated user with low privileges can inject and execute arbitrary PHP code on the site without user interaction. This allows attackers to modify site content, steal data, or compromise the WordPress installation. Update to a version newer than 2.1.4 immediately.
What an attacker can do
Run arbitrary PHP code on the site to modify content, steal data, or take control of WordPress.
Potential impact on your site
Attackers with basic user accounts can execute code and compromise your entire WordPress site.
Conditions required to exploit
Attacker must have a low-privilege WordPress user account (subscriber or contributor level).
Key dates
External resources
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