Vulnerability details
CVE-2026-6431
Cozmoslabs User Profile Builder – Beautiful User Registration Forms
User Profile Builder <= 3.15.7 - Unauthenticated Stored Cross-Site Scripting via 'Biographical Info' Meta Field
CVSS 3.1
7.2High
Official description
The User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Biographical Info' meta field parameter in all versions up to, and including, 3.15.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.2High | 3.1 | CVEProject cvelistV5 (CNA) (Wordfence) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Cozmoslabs | User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor | v ≤ 3.15.7 | CVEProject cvelistV5 (CNA) |
References and advisories
6- https://www.wordfence.com/threat-intel/vulnerabilities/id/99e6cc7b-7e65-4b8d-a927-1329ed6c1954?source=cve
- https://plugins.trac.wordpress.org/browser/profile-builder/trunk/features/email-confirmation/class-email-confirmation.php#L95
- https://plugins.trac.wordpress.org/browser/profile-builder/tags/3.15.6/features/email-confirmation/class-email-confirmation.php#L95
- https://plugins.trac.wordpress.org/browser/profile-builder/trunk/front-end/class-formbuilder.php#L743
- https://plugins.trac.wordpress.org/browser/profile-builder/tags/3.15.6/front-end/class-formbuilder.php#L743
- https://plugins.trac.wordpress.org/changeset/3511465
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Details
- Published
- 2026-09-07
- Last updated
- 2026-09-09
- State
- Published
- Assigner (CNA)
- Wordfence
Exploit prediction (EPSS)
0.41%
Probability of exploitation in 30 days
36.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')