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3.8 Low

CVE-2026-17011 The Nexter Blocks WordPress plugin before 5.0.2 does not restrict who can save global CSS through one of its REST…

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 products and versions

Product Affected versions Fixed in
Nexter Blocks 5.0 earliest → < 5.0.2 5.0.2

Other CVEs of Nexter Blocks

The 2 CVEs of Nexter Blocks →
CVE-2025-15678 The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows SVG uploads for any… 6.1 Medium
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