The User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend
Source GCVE Database
Not known to be exploited · CVSS 6.1 Medium.
Data as of 31 Oct 2026, 10:50 UTC
Thin evidence
One scorer or none| CNA (Wordfence) | CVSS 3.1 | 6.1 |
|---|
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 31 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| wedevsUser Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission | Affected
| Fixed in– |
AI-suggested
Until a fix is available, users should consider disabling or restricting use of the affected plugin or applying web application firewall rules to block malicious input targeting the 'field_attr[required]' parameter.
Description
The User Frontend WordPress plugin up to version 4.3.13 is vulnerable to reflected cross-site scripting (XSS) via the 'field_attr[required]' parameter. This vulnerability arises from insufficient input sanitization and output escaping, allowing unauthenticated attackers to inject arbitrary scripts. The nonce check intended to protect the AJAX action is ineffective because the nonce value is publicly accessible to anonymous visitors, enabling attackers to harvest it and bypass protections.
References
- nvd.nist.gov/vuln/detail/CVE-2026-103962 (opens in a new tab)
- plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.13/includes/Frontend.php (opens in a new tab)
- plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.13/wpuf-functions.php (opens in a new tab)
- plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.13/wpuf-functions.php (opens in a new tab)
- plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.13/wpuf-functions.php (opens in a new tab)
- plugins.trac.wordpress.org/changeset/3770255/wp-user-frontend/trunk/wpuf-functions.php (opens in a new tab)
- wordfence.com/threat-intel/vulnerabilities/id/7e9e7f3e-900c-4e84-8226-8dc6450b0a31?source=cve (opens in a new tab)