Threat intelligence

GutenKit <= 2.4.2 - Authenticated (Contributor+) Stored Cross-Site Scripting

CVE-2025-57900 · gutenkit-blocks-addon

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Gutenkit Blocks Addon at a vulnerable version. How SiteRespond intelligence works

Vulnerability: GutenKit <= 2.4.2 - Authenticated (Contributor+) Stored Cross-Site Scripting
Affected software: gutenkit-blocks-addon(Plugin)
Affected versions: ≤ 2.4.2
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2025-57900
Published: 22 September 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 ebad8cb0-ac50-414e-9e13-7741da6915e7). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Gutenkit Blocks Addon 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 Gutenkit Blocks Addon advisoriesBack to catalog