CVE-2026-4791
Received Received - Intake

Stored XSS in PeproDev Ultimate Profile Solutions WordPress Plugin

Publication date: 2026-10-10

Last updated on: 2026-10-10

Assigner: Wordfence

Description
The PeproDev Ultimate Profile Solutions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `logout-url` shortcode's 'button' attribute in all versions up to, and including, 8.2.36 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

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Meta Information

Published
2026-10-10
Last Modified
2026-10-10
Generated
2026-10-10
AI Q&A
2026-10-10
EPSS Evaluated
N/A
NVD
CVE-2026-4791
EUVD
EUVD-2026-96300

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
peprodev PeproDev Ultimate Profile Solutions 0

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 vulnerability is a Stored Cross-Site Scripting (XSS) issue in the PeproDev Ultimate Profile Solutions WordPress plugin. It allows authenticated attackers with contributor-level access or higher to inject malicious scripts via the logout-url shortcode's button attribute. The flaw exists due to insufficient input sanitization and output escaping.

Impact Analysis

An attacker could inject malicious scripts into your WordPress site. When users access the compromised page, the scripts execute, potentially stealing cookies, session tokens, or other sensitive data. This could lead to account takeovers or unauthorized actions on behalf of users.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Non-compliance may result in legal penalties, fines, or reputational damage due to unauthorized data exposure.

Mitigation Strategies

Update the PeproDev Ultimate Profile Solutions plugin to the latest version, which should address the insufficient input sanitization and output escaping issues in the logout-url shortcode.

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