CVE-2025-69020 MEDIUM

CVE-2025-69020: WordPress Newsletters plugin <= 4.12 - Cross Site Scripting (XSS) vulnerability

Vendor Tribulant Software
Product Newsletters
Weakness CWE-79 · XSS
Published December 30, 2025
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Tribulant Software Newsletters newsletters-lite allows Stored XSS.This issue affects Newsletters: from n/a through <= 4.12.

Explanation of Vulnerability in Simple Terms

02Summary

Tribulant Newsletters versions 4.12 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they interact with affected pages. The vulnerability requires user interaction and can affect confidentiality, integrity, and availability of the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data, modify content, or disrupt site functionality.

Potential impact on your site

04Site Impact

Authenticated users can inject scripts affecting other visitors; site admins should update immediately and audit for malicious content.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account and the victim must visit a page containing the injected payload.

Key dates

06Disclosure timeline

December 30, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE