CVE-2026-96451 WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability
An attacker can escalate privileges in the Ultimate Member WordPress plugin by exploiting an authorization bypass vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-96451?
CVE-2026-96451 is a high-severity vulnerability in Ultimate Member, published on 3 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-96451?
How do I fix CVE-2026-96451?
No fix has been published for CVE-2026-96451 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-96451 being exploited?
There is no known exploitation of CVE-2026-96451 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Sources
Also known as GHSA-c87c-gj39-m74f.