CVE-2026-89079

CriticalPublished

Theme My Login <= 7.2.1 - Unauthenticated Privilege Escalation via 'user_pass1' POST Parameter in wp_pre_insert_user_data Filter

Published: Oct 16, 2026
Updated: Oct 16, 2026
Assigning CNA: Wordfence

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

1.6%

Low · next 30 days

Percentile: 76.2%
Model date: Nov 2, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Repository evidence: Files: 1 · Repositories: 1

1 Template

Theme My Login <= 7.2.1 - Privilege EscalationTemplate
http/cves/2026/CVE-2026-89079.yaml
Nuclei Templates
DetectionEvidence observed: Oct 23, 2026Revision: 72dfb4c473f9Related tool
Declared conditions
- network: http($.protocol_keys)
- verification: dsl($.matchers[*].type)

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