Newsletter – Send awesome emails from WordPress <= 7.4.4 - Reflected Cross-Site Scripting

6.1
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2022-1756
CVSS 6.1 (Medium)
Publicly Published May 23, 2022
Last Updated January 22, 2024
Researcher PHYO WIN SHEIN

Description

The Newsletter WordPress plugin before 7.4.5 does not sanitize and escape the $_SERVER['REQUEST_URI'] before echoing it back in admin pages. Although this uses addslashes, and most modern browsers automatically URLEncode requests, this is still vulnerable to Reflected XSS in older browsers such as Internet Explorer 9 or below.

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

References

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Vulnerability Details for Newsletter – Send awesome emails from WordPress

Software Type Plugin
Software Slug newsletter (view on wordpress.org)
Patched? Yes
Remediation Update to version 7.4.5, or a newer patched version
Affected Version
  • <= 7.4.4
Patched Version
  • 7.4.5

Recent vulnerabilities in Newsletter – Send awesome emails from WordPress

# Title CVE ID CVSS Researchers Date
1 Newsletter <= 9.4.0 - Unauthenticated Stored Cross-Site Scripting via 'np1' Custom Field Parameter CVE-2026-96566 7.2 crow October 1, 2026
2 Newsletter <= 9.3.9 - Unauthenticated Insufficiently Protected Credentials via '/tnp/l/' Click-Tracking REST Endpoint (Raw Subscriber Token Cookie Disclosure) CVE-2026-92537 5.3 Swayam Bhageria September 30, 2026
3 Newsletter <= 9.3.8 - Reflected Cross-Site Scripting via 'nn' Parameter CVE-2026-90981 6.1 Yuto Hyakumoto September 17, 2026
4 Newsletter – Send awesome emails from WordPress <= 9.3.3 - Unauthenticated Stored Cross-Site Scripting CVE-2026-66596 7.2 daroo August 19, 2026
5 Newsletter – Send awesome emails from WordPress <= 9.1.0 - Cross-Site Request Forgery to Newsletter Unsubscription CVE-2026-1051 4.3 Sergej Ljubojevic, Boris Bogosavac January 19, 2026
6 Newsletter <= 9.0.9 - Authenticated (Administrator+) SQL Injection CVE-2025-67999 4.9 Doan Dinh Van (d52v) December 15, 2025
7 Newsletter <= 8.8.4 - Authenticated (Administrator+) Stored Cross-Site Scripting CVE-2025-3582 4.4 Dmitrii Ignatyev May 19, 2025
8 Newsletter <= 8.8.4 - Authenticated (Administrator+) Stored Cross-Site Scripting CVE-2025-3581 5.5 Dmitrii Ignatyev May 19, 2025
9 Newsletter <= 8.8.1 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2025-3584 4.4 Dmitrii Ignatyev May 13, 2025
10 Newsletter <= 8.7.0 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2025-3583 4.4 Dmitrii Ignatyev April 14, 2025

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