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CVE-2026-15420

MEDIUM 4.3 CVSS 3.1
Published
July 24, 2026
Last modified
July 24, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-22
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

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 WordPress components

  • Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder Plugin · the-plus-addons-for-block-editor
    Confirmed match Active
    Up to and including 5.0.0
    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

  • posimyththemes Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder — Up to and including 5.0.0

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L2710
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L2862
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L2985
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L3521
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L2710
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L2862
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L2985
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L3521
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3614203%40the-plus-addons-for-block-editor&new=3614203%40the-plus-addons-for-block-editor
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/85550779-fd46-4130-92f1-b291d4e86b21?source=cve
  • nvd.nist.gov Official NVD record