nicepage 4.16.0 exploit
nicepage 4.16.0 exploit

You're looking for information on a potential exploit in Nicepage 4.16.0. I'll provide a detailed analysis.

in the editor to prevent accidental moving or selection of layers. Editor Improvements

  1. An attacker crafts an SVG file containing embedded JavaScript (e.g., Cross-Site Scripting payload) or, more critically, a polyglot SVG/XML file that can be interpreted as PHP if the server is misconfigured.
  2. The attacker sends a POST request to /wp-admin/admin-ajax.php with the action nicepage_upload_svg and the malicious SVG file.
  3. Because the plugin does not perform nonce verification or capability checks, an unauthenticated user can trigger the upload.
  4. The file is stored in /wp-content/uploads/nicepage_dynamic/ with a .svg extension.

To prevent exploitation, I recommend:

The impact of the exploit can be severe, including: