Privilege Escalation in Theme My Login Plugin for WordPress
CVE-2026-89079

9.8CRITICAL

Key Information:

Vendor

WordPress

Vendor
CVE Published:
16 October 2026

What is CVE-2026-89079?

The Theme My Login plugin for WordPress is susceptible to a privilege escalation vulnerability that allows an unauthenticated user to compromise the accounts of legitimate users. This flaw arises from inadequate validation of a user's identity during password updates. The vulnerability is particularly concerning in multi-site setups where specific configurations could enable attackers to alter arbitrary user passwords, thereby gaining unauthorized access.

Affected Version(s)

Theme My Login 0 <= 7.2.1

References

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

R3D
.