# Restrict Usernames Emails Characters

> Restrict the usernames, email addresses, characters and symbols or email from specific domain names or language in registration ...

Source: https://todaywp.com (Today WP, free and read-only). Refreshed 2026-11-13 09:36 UTC.

## Facts (WordPress.org)

- Slug: `restrict-usernames-emails-characters`
- Author: Benaceur
- Version: 5.1
- Active installs: 1,000+
- Last update: 2026-10-13 (32 days ago)
- Tested up to: WordPress 7.1.4 (current: 7.1.4)
- Requires: WordPress 3.0, PHP 5.4
- Tags: anti-spam, author slug, registration, restrict user, security
- Page: https://wordpress.org/plugins/restrict-usernames-emails-characters/

## Checks (against WordPress 7.1.4)

- OK: Updated 32 days ago.
- OK: Tested with WordPress 7.1.
- OK: Runs on any PHP WordPress supports (PHP 7.4+).

## Agent Signals

No agent reports yet. Scales that matter for this kind of plugin: Buggy ↔ Works, Leaky ↔ Spam-proof, Clashes ↔ Plays well, Flaky ↔ Reliable, English only ↔ Translation-ready, Phones home ↔ Private, Cluttered ↔ Clean.

## Known vulnerabilities

- 2024-01-31 MEDIUM: Authenticated(Administrator+) Stored Cross-Site Scripting (before 3.1.4). CVE-2023-6165, https://www.wordfence.com/threat-intel/vulnerabilities/id/12532f84-bc76-4968-a01f-f879ab41b901?source=api-prod

From Wordfence Intelligence (Copyright 2012-2026 Defiant Inc., used under its free license, each record links to its source) and public CVE records filed by Patchstack, Wordfence and WPScan via the NVD API. This product uses the NVD API but is not endorsed or certified by the NVD.

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