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OpenAdvisories
Medium · 4.3 CVE-2026-15420 EUVD-2026-48464GHSA-cg9r-cc95-vm62

Nexter Blocks <= 5.0.0 - Authenticated (Subscriber+) Path Traversal to Arbitrary CSS/JS File Deletion via 'plus_name' Parameter

Published Jul 24, 2026 · Updated Jul 24, 2026 · Assigned by Wordfence

Description

The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 5.0.0 via the 'plus_name' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary JS/CSS files on the server, which can lead to denial of service or destruction of critical plugin and theme assets.

Affected products

VendorProductAffectedFixed
posimyththemes Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder ≤ 5.0.0 —

References