XSS Vulnerability in ThemeGrill User Registration Plugin
CVE-2026-25467

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
User Registration
Vendor
CVE Published:
29 October 2026

What is CVE-2026-25467?

The ThemeGrill User Registration plugin has a vulnerability that allows improper neutralization of script-related HTML tags, leading to potential code injection. This impacts versions from n/a to 5.3.0 and poses a risk to the security of websites utilizing this plugin, as it could enable attackers to execute arbitrary scripts in web pages viewed by users.

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:
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

Filip Kowalski | Patchstack Bug Bounty Program
.