CVE-2025-2009 HIGH

CVE-2025-2009: Newsletters <= 4.9.9.7 - Unauthenticated Stored Cross-Site Scripting

Vendor Contrid
Product Newsletters
Weakness CWE-79 · XSS
Published March 26, 2025
Last update April 8, 2026

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

The Newsletters plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the logging functionality in all versions up to, and including, 4.9.9.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Explanation of Vulnerability in Simple Terms

02Summary

Contrid Newsletters versions 4.9.9.7 and earlier contain a cross-site scripting (XSS) vulnerability that allows unauthenticated attackers to inject malicious scripts. The vulnerability affects the scope beyond the vulnerable component, potentially impacting other users and site functionality. No user interaction is required for exploitation.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that executes in other users' browsers and affects site functionality.

Potential impact on your site

04Site Impact

Attackers can deface content, steal user sessions, or redirect visitors without requiring login credentials.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

March 26, 2025 CVE published
April 8, 2026 Record updated