What the vulnerability does
01Description
The Gutenverse plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Animated Text and Fun Fact blocks in all versions up to, and including, 3.1.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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
02Summary
Gutenverse versions up to 3.1.0 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other site visitors and administrators. The vulnerability affects the plugin's block editor functionality and can impact site-wide operations due to scope change.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers when they view affected pages.
Potential impact on your site
04Site Impact
Visitors and admins may have their sessions hijacked, credentials stolen, or site content modified without their knowledge.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege WordPress account (e.g., contributor or editor role).
Key dates
06Disclosure timeline
August 6, 2025
CVE published
April 8, 2026
Record updated
