CVE-2026-95866 User Profile Builder - Stored XSS

User Profile Builder WordPress plugin <= 4.0.2 contains a stored cross-site scripting caused by insufficient input sanitization and output escaping in the Avatar Field, letting unauthenticated attackers inject scripts executed when admins view affected accounts.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.26% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored XSS
Impact
Stored XSS
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Published
25 September 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to the latest version beyond 4.0.2.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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