CVE-2026-105882: WordPress User Registration plugin <= 5.2.8 - Cross Site Scripting (XSS) vulnerability

Published Oct 15, 2026
·
Updated

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeGrill User Registration user-registration allows Stored XSS.This issue affects User Registration: from n/a through 5.2.8.

Affected Software

1 affected component
themegrill User Registration<=5.2.8

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade WordPress User Registration to a version that resolves this vulnerability.

    Fixed in 5.3.0

Event History

Oct 15, 2026
CVE Published
via MITRE·01:00 PM
Data Sourced
via MITRE·01:00 PM
RemedyDescriptionSeverityWeakness

Frequently Asked Questions

1

What level of access does an attacker need?

An attacker needs low-level privileges and network access. Exploitation is rated low complexity, but it requires user interaction.

2

Which installations should be considered affected?

ThemeGrill User Registration versions through 5.2.8 are affected. The available data does not identify a fixed version.

3

What is the expected impact if exploitation succeeds?

The vulnerability can affect confidentiality, integrity, and availability at a low level. Its scope is changed, meaning the impact may extend beyond the vulnerable component's security authority.

Contact

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