CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
What the vulnerability does
The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 5.0.0 via the 'plus_name' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary JS/CSS files on the server, which can lead to denial of service or destruction of critical plugin and theme assets.
Explanation of Vulnerability in Simple Terms
Nexter Blocks versions up to 5.0.0 contain a path traversal vulnerability that allows authenticated users to modify files outside the intended directory. An attacker with low-level site access can craft requests to read or write files in unintended locations. This could lead to unauthorized file manipulation or information disclosure depending on server permissions.
What an attacker can do
Read or write files outside the intended upload directory on the server.
Potential impact on your site
Unauthorized file access or modification could compromise site integrity or expose sensitive configuration files.
Conditions required to exploit
Attacker must have a low-privilege user account on the site (e.g., subscriber or contributor role).
Key dates
External resources
Related vulnerabilities
