Threat intelligence

Nexter Blocks <= 4.5.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Widgets

CVE-2025-8567 · 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 <= 4.5.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Widgets
Affected software: the-plus-addons-for-block-editor(Plugin)
Affected versions: ≤ 4.5.4
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2025-8567
Published: 18 August 2025
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory ca9ad8ca-aad1-4950-b540-64ffc4a07c12). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed The Plus Addons For Block Editor version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All The Plus Addons For Block Editor advisoriesBack to catalog