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CVE-2026-17011

LOW 3.8 CVSS 3.1
Published
August 9, 2026
Last modified
August 26, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-345
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L

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 WordPress components

  • Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder Plugin · the-plus-addons-for-block-editor
    Confirmed match Active
    Before 5.0.2
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Nexter Blocks — Before 5.0.2

References

  • wpscan.com https://wpscan.com/vulnerability/a702e5cb-0fb3-419e-81df-fa5b26c81402/
  • nvd.nist.gov Official NVD record