HomeWordPress vulnerabilitiesRestrict Usernames Emails Characters
Restrict Usernames Emails Characters vulnerabilities
Restrict Usernames Emails Characters has 1 known vulnerability in this database. The most recent published record is dated 29 Jan 2024.
- Known vulnerabilities
- 1
- Active installs
- 1,000+
- Latest version
- 5.0.3
- Last updated
- 13 Jul 2026
- Most recent
- 29 Jan 2024
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site scripting (XSS) CVE-2023-6165 | Medium 4.8 | Before 3.1.4 | Fixed in 3.1.4 | 29 Jan 2024 |
Read the published descriptions
- CVE-2023-6165, 29 Jan 2024
- The Restrict Usernames Emails Characters WordPress plugin before 3.1.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed CVE record
What to do if you run Restrict Usernames Emails Characters
If you run Restrict Usernames Emails Characters, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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