Threat intelligence

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

CVE-2026-15420 · the-plus-addons-for-block-editor

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run The Plus Addons For Block Editor at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Nexter Blocks <= 5.0.0 - Authenticated (Subscriber+) Path Traversal to Arbitrary CSS/JS File Deletion via 'plus_name' Parameter
Affected software: the-plus-addons-for-block-editor(Plugin)
Affected versions: ≤ 5.0.0
Authentication: Authenticated (see advisory title)
Vulnerability type: Directory traversal
CVE: CVE-2026-15420
Published: 23 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow reading or writing files outside intended directories.
Source: Data imported from Wordfence Intelligence (advisory 85550779-fd46-4130-92f1-b291d4e86b21). Methodology and redistribution notes

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