Restrict Usernames Emails Characters Plugin < 3.1.4 - Admin+ Stored XSS
Priority MEDIUM 55CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
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
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00405 34th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix Fixed Restrict Usernames Emails Characters (Unknown): 3.1.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Restrict Usernames Emails Characters | before 3.1.4 | 3.1.4 | Patch available | CNA |
- Restrict Usernames Emails Characters VendorUnknown Affected before 3.1.4 Fixed in 3.1.4 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:benaceur-php:restrict_usernames_emails_characters:*:*:*:*:*:wordpress:*:* | before 3.1.4 | Vulnerable | Benaceur-php |
- cpe:2.3:a:benaceur-php:restrict_usernames_emails_characters:*:*:*:*:*:wordpress:*:* Versions before 3.1.4 Vulnerable ·Benaceur-php
Remediation
- Fix · CNA Restrict Usernames Emails Characters (Unknown) Fixed in 3.1.4
Timeline
- 2026-10-02 Threatist record created from CVE-2023-6165
- 2026-10-03 Alias added: GHSA-7cm4-cx64-v496
References
Sources
- CVE-2023-6165 · CVE Program
- CVE-2023-6165 · NVD
- FIRST EPSS
- GHSA-7cm4-cx64-v496 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences