Subscribe2 <= 10.45 - Reflected Cross-Site Scripting

6.1
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-14331
CVSS 6.1 (Medium)
Publicly Published August 3, 2026
Last Updated August 15, 2026
Researcher Omar Elshopky

Description

The Subscribe2 plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in versions up to, and including, 10.45 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

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

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Vulnerability Details for Subscribe2 – Form, Email Subscribers & Newsletters

Software Type Plugin
Software Slug subscribe2 (view on wordpress.org)
Patched? Yes
Remediation Update to version 10.46, or a newer patched version
Affected Version
  • <= 10.45
Patched Version
  • 10.46

Recent vulnerabilities in Subscribe2 – Form, Email Subscribers & Newsletters

# Title CVE ID CVSS Researchers Date
1 Subscribe2 – Form, Email Subscribers & Newsletters <= 10.47 - Unauthenticated Stored Cross-Site Scripting CVE-2026-73393 7.2 timomangcut August 17, 2026
2 Subscribe2 <= 10.44 - Missing Authorization CVE-2026-24944 5.3 blue0x1 February 3, 2026
3 Subscribe2 – Form, Email Subscribers & Newsletters <= 10.43 - Unauthenticated Stored Cross-Site Scripting via IP Parameter CVE-2024-11582 7.2 mikemyers February 18, 2025
4 Appsero <= 2.0.0 - Missing Authorization via handle_optin_optout CVE-2024-32110 4.3 Dhabaleshwar Das April 11, 2024
5 Subscribe2 <= 10.40 - Cross-Site Request Forgery CVE-2023-3407 4.3 Marco Wotschka June 26, 2023
6 Subscribe2 <= 10.40 - Missing Authorization CVE-2023-1844 4.3 Marco Wotschka June 26, 2023
7 Subscribe2 <= 10.37 - Cross-Site Request Forgery CVE-2022-4309 7.1 WPScanTeam December 22, 2022
8 Appsero <= 1.2.1 - Missing Authorization 4.3 December 16, 2022
9 Appsero <= 1.2.0 - Cross-Site Request Forgery CVE-2022-47150 4.3 István Márton December 14, 2022
10 Subscribe2 – Form, Email Subscribers & Newsletters <= 10.15 - Stored Cross-Site Scripting CVE-2014-6604 6.1 Matt Barry October 1, 2014

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