WP Membership <= 1.2.3 - Cross-Site Scripting

5.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2015-4039
CVSS 5.4 (Medium)
Publicly Published May 21, 2015
Last Updated January 22, 2024
Researcher Panagiotis Vagenas - Wordfence

Description

Multiple cross-site scripting (XSS) vulnerabilities in the WP Membership plugin 1.2.3 for WordPress allow remote authenticated users to inject arbitrary web script or HTML via unspecified (1) profile fields or (2) new post content. NOTE: CVE-2015-4038 can be used to bypass the administrator confirmation step for vector 2.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

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Vulnerability Details for WP Membership

Software Type Plugin
Software Slug wp-membership
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 1.2.3

Recent vulnerabilities in WP Membership

# Title CVE ID CVSS Researchers Date
1 Membership <= 1.6.4 - Authenticated (Subscriber+) Privilege Escalation CVE-2025-69292 8.8 Phat RiO January 22, 2026
2 Membership <= 1.6.4 - Missing Authorization CVE-2025-69193 5.3 Phat RiO January 22, 2026
3 WP Membership <= 1.6.3 - Missing Authorization to Authenticated (Subscriber+) Settings Update CVE-2025-54717 4.3 João Pedro Soares de Alcântara August 14, 2025
4 WP Membership <= 1.6.2 - Unauthenticated Arbitrary File Upload CVE-2024-10547 9.8 Tonn November 8, 2024
5 Multiple E-plugins (Various Versions) - Authenticated (Subscriber+) Privilege Escalation CVE-2020-36666 8.8 Omar Badran March 6, 2023
6 WP Membership <= 1.2.3 - Privilege Escalation CVE-2015-4038 8.8 Panagiotis Vagenas May 21, 2015

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