Missing Authorization in ThemeGrill User Registration Plugin by ThemeGrill
CVE-2026-124258

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
User Registration
Vendor
CVE Published:
7 November 2026

What is CVE-2026-124258?

The ThemeGrill User Registration plugin is susceptible to a missing authorization vulnerability that enables attackers to exploit incorrectly configured access control security levels. This flaw affects versions from n/a to 5.3.1, potentially allowing unauthorized users to access restricted functionalities and data. Proper access controls should be implemented to mitigate this risk and maintain the integrity of user registration processes.

Affected Version(s)

User Registration 0 <= 5.3.1

References

https://patchstack.com/database/wordpress/plugin/user-reg...
vdb-entry

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

ssophiz | Patchstack Bug Bounty Program
.