CVE-2026-17011 — Nexter Blocks < 5.0.2 - Contributor+ Stored CSS Injection

CVE-2026-17011

Nexter Blocks < 5.0.2 - Contributor+ Stored CSS Injection PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Unknown / Nexter Blocks	affected 0 before 5.0.2

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/a702e5cb-0fb3-419e-81df-fa5b26c81402/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.