Missing Authorization Vulnerability in ThemeGrill User Registration Plugin
CVE-2026-106598

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
User Registration
Vendor
CVE Published:
13 October 2026

What is CVE-2026-106598?

A missing authorization vulnerability in the ThemeGrill User Registration plugin permits unauthorized retrieval of embedded sensitive data. This flaw affects versions from n/a up to 5.2.8, posing a significant risk to user data integrity and privacy. Admins are encouraged to assess their installations and consider updating to mitigate potential data breaches.

Affected Version(s)

User Registration 0 <= 5.2.8

References

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

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

sumayfe | Patchstack Bug Bounty Program
.