Reported vulnerability
Profile Builder – User Profile & User Registration Forms <= 3.6.4 - Cross-Site Request Forgery
Published 29 Sept 2022
Updated 22 Jan 2024
CVE-2021-36915
Compare your installed software with the affected versions below. Follow the source’s remediation guidance and test an available update after taking a backup. A database entry describes a reported issue; it does not establish whether a particular website has been compromised.
Does this affect my version?
Check your installed version against this advisory. This compares the report’s version ranges and does not scan your website.
Wordfence advisory
high · CVSS 8.8The Profile Builder – User Profile & User Registration Forms plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.6.4. This is due to missing nonce validation on the wppb_pbie_import() & wppb_pbie_export_our_json() functions. This makes it possible for unauthenticated attackers to import and export plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Severity vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor
- Software
- plugin · profile-builder
- Affected versions
- Start version unspecified, through 3.6.4
- Fix availability
- Fix available
- Fixed versions
- 3.6.5
Recommended action
Update to version 3.6.5, or a newer patched version
Further references (1)
Data sources and licences
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CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
Read licence termsSource: Wordfence
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Get help with this issueQuestions about this vulnerability
Which versions of User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor are affected?
Wordfence lists these affected versions: Start version unspecified, through 3.6.4. Use the version checker above to compare your installed release with this report.
Is a fix available for User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor?
Wordfence reports a fix for this issue in User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor. It lists these fixed versions: 3.6.5. Back up your website and test the recommended update before applying it to your live site.
Where can I find my installed plugin version?
In WordPress, open Plugins > Installed Plugins and find the version shown beneath the plugin name.
Does an affected version mean my website has been hacked?
An affected version means the installed release matches a vulnerability described in this report. It does not show whether anyone has exploited it on your website. The checker compares version numbers with stored reports; it does not inspect your website.
Other reports for the same product
These reports cover at least one of the same plugins, themes or WordPress core. Check each report’s affected versions separately.
- User Profile Builder <= 4.0.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'display_name' ParameterUpdated 15 Oct 2026
- User Profile Builder <= 4.0.3 - Unauthenticated Privilege Escalation to 'role' Parameter via Legacy Meta-Name Collision on [wppb-register]Updated 15 Oct 2026
- User Profile Builder <= 4.0.3 - Unauthenticated Stored Cross-Site Scripting via First Name FieldUpdated 15 Oct 2026
- User Profile Builder <= 4.0.2 - Unauthenticated Stored Cross-Site Scripting via Avatar FieldUpdated 25 Sept 2026
- User Profile Builder <= 4.0.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Avatar FieldUpdated 25 Sept 2026