CVE-2026-96451

HIGH 8.8

WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-639
Vendor	ultimate member
Product	ultimate member
Published	Oct 3, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Ultimate Member / Ultimate Member

0 ≤ 2.13.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/ultimate-member/vulnerability/wordpress-ultimate-member-plugin-2-13-1-privilege-escalation-vulnerability?_s_id=cve

Credits

Intrudify | Patchstack Bug Bounty Program