CVE-2026-15368highCWE-269

CVE-2026-15368: high-severity vulnerability in User Profile Builder

Profile Builder < 3.16.4 - Unauthenticated Account Takeover via Auto-Login After Registration

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41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.1epss 0.4%
The User Profile Builder WordPress plugin before 3.16.4 does not correctly bind the automatic login performed after user registration to the newly created account, allowing unauthenticated attackers to obtain an authenticated session for an arbitrary existing user, including administrators, on sites using a supported but non-default configuration.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Unknown · User Profile Builder
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — User Profile Builder

In the same product, most dangerous first.

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