What is CVE-2026-89079?

CVE-2026-89079 is a critical-severity vulnerability in Jfarthing84 Theme My Login, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-10-16.

How severe is CVE-2026-89079?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2026-89079 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Jfarthing84 Theme My Login

CVE-2026-89079

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.

Vulnerability class: Privilege Escalation

Published 2026-10-16 · last modified 2026-10-16.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Jfarthing84 Theme My Login

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

Public proof-of-concept exploits

murrez/CVE-2026-89079

References

Frequently asked questions

What is CVE-2026-89079?: CVE-2026-89079 is a critical-severity vulnerability in Jfarthing84 Theme My Login, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-10-16.
How severe is CVE-2026-89079?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-89079 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.