---
id: "CVE-2026-27061"
kind: "vulnerability"
aliases: ["CVE-2026-27061"]
title: "WordPress User Registration plugin: subscriber stored XSS up to 5.3.0"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "user-registration-plugin", "wordpress"]
not_affected_if: ["newer-version", "plugin-not-installed", "registration-closed"]
published_at: "2026-10-30T19:18:23+00:00"
first_seen_at: "2026-10-30T19:25:29+00:00"
updated_at: "2026-10-30T19:26:19+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27061", "first_seen_at": "2026-10-30T19:25:29+00:00"}]
---

# WordPress User Registration plugin: subscriber stored XSS up to 5.3.0

The User Registration WordPress plugin up to version 5.3.0 has a cross-site scripting flaw that a subscriber-level account can exploit. An attacker can plant script that runs in the browser of other users, such as administrators who view the injected content.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed version of the User Registration plugin in the WordPress admin under Plugins, or with `wp plugin get user-registration --field=version`
- Compare the result against 5.3.0; anything at or below that is in the stated range

## Fix

- User Registration plugin: fixed version unknown (sources state only the affected range, up to and including `5.3.0`)

## Timeline

- 2026-10-30T19:25:29+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-27061

## From the sources

Subscriber Cross Site Scripting (XSS) in User Registration <= 5.3.0 versions.

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