CVE-2026-89079 Privilege escalation in Theme My Login

Critical 9.8 Published Updated

Unauthenticated attackers can escalate privileges and take over accounts by changing arbitrary user passwords in specific multi-site configurations.

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-2026-89079?

CVE-2026-89079 is a critical vulnerability in jfarthing84 Theme My Login, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Theme My Login plugin for WordPress is vulnerable to privilege escalation via account takeover in versions up to, and including, 7.2.1. This is due to the plugin not properly validating a user's identity prior to updating their password. This makes it possible for unauthenticated attackers to change arbitrary user's passwords on multi-site setups in certain configurations.

Weakness: CWE-269

Which versions are affected by CVE-2026-89079?

How do I fix CVE-2026-89079?

No fix has been published for CVE-2026-89079 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-89079 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-89079 exists.

Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.

Sources

Also known as GHSA-v32q-5f5q-9x8f.

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