Threat intelligence

Ultimate Member <= 2.11.4 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Non-HTML Custom Textarea Profile Field

CVE-2026-8489 · ultimate-member

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

Vulnerability: Ultimate Member <= 2.11.4 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Non-HTML Custom Textarea Profile Field
Affected software: ultimate-member(Plugin)
Affected versions: ≤ 2.11.4
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-8489
Published: 2 July 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 229a4e61-571c-44c6-9972-4dfc743afffe). Methodology and redistribution notes

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