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CVE-2026-15420

MEDIUM
4.3
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-15420
State
PUBLISHED
Assigner
Wordfence
Reserved
2026-07-10 15:00 UTC
Published
2026-07-24 02:31 UTC
Last updated
2026-07-24 02:31 UTC
Primary CWE
CWE-22
CWE-22 Improper Limitation of a Pathname to a Restricted Dir…
Vendor / Product
posimyththemes / Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder
Sources
cve.org  ·  NVD

Severity & Metrics

4.3 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Affected products (1)
VendorProductPlatformVersions
posimyththemes Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder — 0 ≤ 5.0.0
Weakness (CWE)
CWESourceDescription
CWE-22 cna CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSS scores (1)
ScoreSeverityVersionSourceVector
4.3 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References (10)
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