Threat intelligence

Ultimate Addons for WPBakery Page Builder < 3.21.4 - Authenticated (Contributor+) Stored Cross-Site Scripting

CVE-2026-34889 · 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 < 3.21.4 - Authenticated (Contributor+) Stored Cross-Site Scripting
Affected software: Ultimate_VC_Addons(Plugin)
Affected versions: < 3.21.4
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-34889
Published: 1 April 2026
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 8397e583-a8f5-422c-805d-c43328c4bc84). Methodology and redistribution notes

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