Threat intelligence

Ultimate Addons for WPBakery Page Builder < 3.21.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

CVE-2025-11814 · Ultimate_VC_Addons

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

Vulnerability: Ultimate Addons for WPBakery Page Builder < 3.21.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
Affected software: Ultimate_VC_Addons(Plugin)
Affected versions: < 3.21.1
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2025-11814
Published: 10 October 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 1f41101c-c54f-4e97-a0fb-79a17d5f0929). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Ultimate_VC_Addons 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 Ultimate_VC_Addons advisoriesBack to catalog