The Nexter Blocks WordPress plugin before 5.0.2 does not restrict who can save global CSS through one of its REST endpoints, allowing users with at least the Contributor role to store arbitrary CSS that is rendered site-wide on the front end. This vulnerability enables defacement, content hiding, and UI redressing attacks. Affected product deployments should be identified in managed environments, and owne [truncated]
The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows SVG uploads for any user able to upload files (Author by default), allowing them to upload a file containing malicious JavaScript that executes when the file is accessed, leading to Stored Cross-Site Scripting. This vulnerability has significant implications for users with author-level access or higher, as it c [truncated]
