Access Control Vulnerability in User Registration by ThemeGrill
CVE-2026-119522

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
User Registration
Vendor
CVE Published:
7 November 2026

What is CVE-2026-119522?

The User Registration plugin by ThemeGrill is susceptible to a missing authorization flaw, which allows attackers to exploit incorrectly configured access control security levels. This weakness permits unauthorized actions within the application, potentially compromising user data and application integrity. Versions from release to 5.3.1 are affected, making it essential for users to assess their installations and implement security measures.

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:
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

Tai Nguyen | Patchstack Bug Bounty Program
.