Missing Authorization Vulnerability in User Registration Product by ThemeGrill
CVE-2026-25450

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
User Registration
Vendor
CVE Published:
29 October 2026

What is CVE-2026-25450?

The missing authorization vulnerability in ThemeGrill's User Registration plugin allows unauthorized users to exploit incorrectly configured access control security levels, potentially leading to unauthorized access to sensitive functions and user data. This vulnerability impacts versions from n/a to 5.3.0, making it imperative for website owners to review their security configurations and apply necessary updates.

Affected Version(s)

User Registration 0 <= 5.3.0

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

elba.code | Patchstack Bug Bounty Program
.