CVE-2026-17011

None

Open

TLP:CLEAR

Nexter Blocks < 5.0.2 - Contributor+ Stored CSS Injection

NVD CVE.org

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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.

Details

EPSS Score ⓘ: 0.12%

2.1th percentile
Confidence: 90%
Published: Aug 9, 2026
Last Modified: Aug 11, 2026

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