Vulnerability · Published Oct 3, 2026 · Assigned by Patchstack
CVE-2026-96451WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability
High 8.8
In plain English
A high-severity authorization bypass via user-controlled key in Ultimate Member from Ultimate Member. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 61.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Ultimate Member | Ultimate Member | 0 – through 2.13.1 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H