Newsletter <= 6.8.1 - Reflected Cross-Site Scripting

6.5
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2020-35933
CVSS 6.5 (Medium)
Publicly Published August 3, 2020
Last Updated January 22, 2024
Researcher Ram - Wordfence

Description

A Reflected Authenticated Cross-Site Scripting (XSS) vulnerability in the Newsletter plugin before 6.8.2 for WordPress allows remote attackers to trick a victim into submitting a tnpc_render AJAX request containing either JavaScript in an options parameter, or a base64-encoded JSON string containing JavaScript in the encoded_options parameter.

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 6.8.2, or a newer patched version
Affected Version
  • < 6.8.2
Patched Version
  • 6.8.2

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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