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 Getwid – Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `template-post-custom-field` block in all versions up to, and including, 2.0.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
Getwid – Gutenberg Blocks versions 2.0.12 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers, including site administrators. The vulnerability affects the plugin's block rendering and can compromise site security and user data.
What an attacker can do
Inject malicious scripts that run in other users' browsers, including administrators.
Potential impact on your site
Attackers with contributor or editor access can steal admin sessions, modify site content, or compromise user accounts.
Conditions required to exploit
Attacker must be logged in with at least low-level user privileges; no user interaction required.
Key dates
External resources
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