Known vulnerabilities in Restrict Usernames Emails Characters

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

1Reported vulnerabilities

4.8Highest CVSS score

5.0.3Latest version

1,000+Active installs

What to do now

Update Restrict Usernames Emails Characters to 3.1.4 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 13, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2023-6165	Medium 4.8	0.4%	Before 3.1.4	`3.1.4`	January 29, 2024

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.