Newsletters < 4.17 - Cross-Site Request Forgery

4.3
Cross-Site Request Forgery (CSRF)
CVE CVE-2026-17522
CVSS 4.3 (Medium)
Publicly Published August 29, 2026
Last Updated September 1, 2026
Researcher Erwan LR - WPScan

Description

The Newsletters plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to 4.17. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to perform an unauthorized action via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

References

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Vulnerability Details for Newsletters

Software Type Plugin
Software Slug newsletters-lite (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.17, or a newer patched version
Affected Version
  • < 4.17
Patched Version
  • 4.17

Recent vulnerabilities in Newsletters

# Title CVE ID CVSS Researchers Date
1 Newsletters <= 4.18.0 - Unauthenticated Insecure Direct Object Reference CVE-2026-16264 5.3 Yaswanth Reddy Sunkara September 21, 2026
2 Newsletters <= 4.18 - Authenticated (Administrator+) SQL Injection CVE-2026-66619 4.9 Ananda Dhakal September 17, 2026
3 Newsletters < 4.17 - Insufficient Authorization CVE-2026-17520 5.3 Erwan LR August 27, 2026
4 Newsletters <= 4.17 - Missing Authorization to Authenticated (Author+) Arbitrary Modification via 'newsletters_mailinglistsroles' POST Parameter CVE-2026-75908 4.3 Wordfence PRISM August 24, 2026
5 Newsletters <= 4.15 - Unauthenticated API Authorization Bypass via Type Juggling CVE-2026-16269 7.3 Haitam Lazaar August 3, 2026
6 Newsletters <= 4.15 - Unauthenticated PHP Object Injection CVE-2026-16267 8.1 Sai Praneeth Koti August 3, 2026
7 Newsletters <= 4.15 - Unauthenticated Server-Side Request Forgery CVE-2026-16268 7.2 Yaswanth Reddy Sunkara July 30, 2026
8 Newsletters <= 4.15 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'link' Shortcode Attribute CVE-2026-12939 6.4 Wordfence PRISM July 28, 2026
9 Newsletters <= 4.15 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'target' Shortcode Attribute CVE-2026-12938 6.4 Wordfence PRISM July 28, 2026
10 Newsletters <= 4.14 - Unauthenticated Stored Cross-Site Scripting CVE-2026-57394 7.2 dutafi July 8, 2026

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