CVE-2026-75965
Received Received - Intake

Stored XSS in User Profile Builder WordPress Plugin

Publication date: 2026-09-01

Last updated on: 2026-09-01

Assigner: Wordfence

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 'date' Shortcode Attribute in all versions up to, and including, 4.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires the wppb_toolbox_shortcodes_settings[format-date] option to be set to 'yes' by an administrator for the shortcode to be active and the vulnerability to be exploitable.

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Meta Information

Published
2026-09-01
Last Modified
2026-09-01
Generated
2026-09-01
AI Q&A
2026-09-01
EPSS Evaluated
N/A
NVD
CVE-2026-75965
EUVD
EUVD-2026-68972

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wp_user_profile_builder wp_user_profile_builder to 4.0.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This is a Stored Cross-Site Scripting (XSS) vulnerability in the User Profile Builder WordPress plugin. It allows authenticated attackers with contributor-level access or higher to inject malicious scripts via the 'date' shortcode attribute due to insufficient input sanitization and output escaping. The vulnerability requires an administrator to enable the wppb_toolbox_shortcodes_settings[format-date] option for exploitation.

Detection Guidance

To detect this vulnerability, inspect WordPress sites using the User Profile Builder plugin for versions up to 4.0.0. Check if the wppb_toolbox_shortcodes_settings[format-date] option is enabled in the plugin settings. Review pages or posts containing the 'date' shortcode for malicious scripts.

Impact Analysis

An attacker could inject malicious scripts into WordPress pages. When users access these pages, the scripts execute, potentially stealing session cookies, redirecting users to malicious sites, or performing actions on their behalf. This requires contributor-level access but can affect all users viewing the compromised pages.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's integrity and confidentiality principles. For HIPAA, it may risk protected health information exposure. Compliance failures could result in legal penalties, reputational damage, and loss of trust.

Mitigation Strategies

Immediately update the User Profile Builder plugin to the latest version beyond 4.0.0. Disable the 'date' shortcode if not needed by setting wppb_toolbox_shortcodes_settings[format-date] to 'no'. Remove any suspicious scripts from pages or posts.

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