Cross-Site Scripting Vulnerability in User Registration by ThemeGrill
CVE-2026-105881

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
User Registration
Vendor
CVE Published:
13 October 2026

What is CVE-2026-105881?

The User Registration plugin by ThemeGrill contains a Cross-Site Scripting (XSS) vulnerability due to improper neutralization of user input during web page generation. This flaw can allow attackers to execute malicious scripts in the browser of users, leading to potential data theft or site manipulation. Affected versions include all releases up to and including 5.2.8.

Affected Version(s)

User Registration 0 <= 5.2.8

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pr0f | Patchstack Bug Bounty Program
.