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Vulnerabilities and Security Researches

The Plus Blocks for Block Editor | Gutenberg, CVE-2026-17011

CVE, Research URL

CVE-2026-17011

Published on
Aug 09, 2026
Research Description
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, enabling defacement, content hiding, and UI redressing.
Affected versions
max 5.0.2.
Status
vulnerable