What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Richard Leishman Mail Subscribe List mail-subscribe-list allows Stored XSS.This issue affects Mail Subscribe List: from n/a through <= 2.1.10.
Explanation of Vulnerability in Simple Terms
02Summary
Mail Subscribe List versions 2.1.10 and earlier contain a cross-site scripting vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect multiple users across the site.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers to steal data or perform actions on their behalf.
Potential impact on your site
04Site Impact
Authenticated users can inject scripts affecting other site visitors, risking data theft and unauthorized actions.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege account and the victim must visit a page containing the injected script.
Key dates
06Disclosure timeline
September 22, 2025
CVE published
May 12, 2026
Record updated