CVE-2026-15420

EUVD-2026-48464

24.07.2026, 04:16

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.

Path Traversal

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	4.3 MEDIUM	NETWORK	LOW	LOW	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Awaiting analysis

This vulnerability is currently awaiting analysis.

Base Score

CVSS 3.x

EPSS Score

Percentile: Unknown

Common Weakness Enumeration

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References

https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L2710

https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L2862

https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L2985

https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L3521

https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L2710

https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L2862

https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L2985

https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L3521

https://plugins.trac.wordpress.org/changeset?reponame=&old=3614203%40the-plus-addons-for-block-editor&new=3614203%40the-plus-addons-for-block-editor

https://www.wordfence.com/threat-intel/vulnerabilities/id/85550779-fd46-4130-92f1-b291d4e86b21?source=cve