CVE-2026-96451 HIGH

CVE-2026-96451: WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability

Vendor Ultimate Member

Product Ultimate Member

Weakness CWE-639 · IDOR

Published October 3, 2026

Last update October 3, 2026

View on NVD All CVEs

CVSS base score

8.8/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Authorization Bypass Through User-Controlled Key vulnerability in Ultimate Member Ultimate Member ultimate-member allows Privilege Escalation.This issue affects Ultimate Member: from n/a through 2.13.1.

Key dates

02Disclosure timeline

October 3, 2026 CVE published

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-96451 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/639.html AskarLabs — CWE-639 write-up Authorization Bypass Through User-Controlled Key

Related vulnerabilities

04Related CVE

CVE-2026-11988 LearnPress <= 4.3.9.1 - Insecure Direct Object Reference to Authenticated (Subscriber+) Sensitive Information Disclosure via 'userId' Parameter CVE-2026-9180 MotoPress Appointment Booking <= 2.4.4 - Unauthenticated Insecure Direct Object Reference to 'payment_details.booking_id' Parameter CVE-2026-77035 Joomla Extension - joomlaeventmanager.net - Cross-user event and venue takeover through forged form fields in Joomla Event Manager < 5.0.1 CVE-2026-81299 WordPress WP Job Portal plugin <= 2.5.9 - Insecure Direct Object References (IDOR) vulnerability CVE-2026-12998 Forminator Forms <= 1.55.0.2 - Insecure Direct Object Reference to Unauthenticated Sensitive Information Disclosure via 'draft' Parameter