CVE-2026-15420
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
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
CWEs
CWE-22
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.