CVE-2026-17011 — Nexter Blocks < 5.0.2 - Contributor+ Stored CSS Injection
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 t…
Published: 2026-08-09 · CVSS: 3.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7