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 Twentig plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'featuredImageSizeWidth' parameter in versions up to, and including, 1.9.7 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
The Twentig Supercharged Block Editor plugin for WordPress contains a cross-site scripting (XSS) vulnerability in versions up to 1.9.7. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other site users, potentially compromising their accounts or stealing sensitive data. The vulnerability affects the block editor interface and has site-wide scope.
What an attacker can do
Inject malicious JavaScript that runs in other users' browsers and affects the entire site.
Potential impact on your site
Authenticated users can inject scripts affecting all site visitors; admin accounts at risk of compromise.
Conditions required to exploit
Attacker must have a low-privilege WordPress account (e.g., contributor or editor role).
Key dates
External resources
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