CVE-2026-96539 WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability

Medium 5.6 Published Updated

Attackers can escalate privileges in the Ultimate Member WordPress plugin due to incorrect privilege assignment, requiring an upgrade to secure the site.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-96539?

CVE-2026-96539 is a medium-severity vulnerability in Ultimate Member, published on 9 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Incorrect Privilege Assignment 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-266

Which versions are affected by CVE-2026-96539?

How do I fix CVE-2026-96539?

No fix has been published for CVE-2026-96539 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-96539 being exploited?

There is no known exploitation of CVE-2026-96539 in the wild and no public exploit code.

Sources

Also known as GHSA-vf6m-m5g4-4q6v.

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