CVE-2026-109145 User Rights Access Manager <= 1.1.3 - Unauthenticated Privilege Escalation via AJAX Registration Handler

Critical 9.8 Published Updated

Unauthenticated attackers can register administrator-equivalent accounts via an unprotected AJAX handler, leading to full site takeover.

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-2026-109145?

CVE-2026-109145 is a critical vulnerability in Unknown User Rights Access Manager, published on 15 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The User Rights Access Manager WordPress plugin through 1.1.3 does not restrict access to one of its AJAX account-registration handlers and assigns newly registered accounts a role that was created as a copy of the administrator role, allowing unauthenticated attackers to register an administrator-equivalent account and take over the site.

Weakness: CWE-269

Which versions are affected by CVE-2026-109145?

How do I fix CVE-2026-109145?

No fix has been published for CVE-2026-109145 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-109145 being exploited?

There is no known exploitation of CVE-2026-109145 in the wild and no public exploit code.

Sources

Also known as GHSA-fx4m-fw5f-hrm2.

Is CVE-2026-109145 in your software?

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