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HIGH

CVE-2026-75823

CVSS v3

7.4

HIGH

EPSS Score

0.3 %

exploit probability, as of 2026-10-01

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

The User Frontend WordPress plugin before 4.3.12 does not prevent tampering with the role assigned by its registration form, allowing unauthenticated users to register with a higher privileged role, such as Editor. This affects installations running a PHP build where the sodium extension is unavailable, and where a registration page has been configured. The administrator role cannot be obtained this way.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
2026-09-30
Last Modified
2026-09-30

Frequently asked questions

What is CVE-2026-75823?

The User Frontend WordPress plugin before 4.3.12 does not prevent tampering with the role assigned by its registration form, allowing unauthenticated users to register with a higher privileged role, such as Editor. This affects installations running a PHP build where the sodium extension is unavailable, and where a registration page has been configured. The administrator role cannot be obtained this way.

Is CVE-2026-75823 actively exploited?

Active exploitation of CVE-2026-75823 has not been confirmed. Its EPSS score was 0.3% on 2026-10-01, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-75823?

CVE-2026-75823 has a CVSS v3 base score of 7.4 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

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