What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in AcyMailing Newsletter Team AcyMailing SMTP Newsletter acymailing allows Stored XSS.This issue affects AcyMailing SMTP Newsletter: from n/a through <= 10.11.0.
Explanation of Vulnerability in Simple Terms
02Summary
AcyMailing SMTP Newsletter versions up to 10.11.0 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts. An attacker can craft a malicious link or page that, when visited by a site administrator or user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.
What an attacker can do
03Attacker Capabilities
Inject and execute malicious JavaScript in a user's browser to steal session tokens, credentials, or perform unauthorized actions.
Potential impact on your site
04Site Impact
Administrators and users visiting crafted links risk account compromise, data theft, and unauthorized changes to site content or settings.
Conditions required to exploit
05Prerequisites
Attacker must trick a user into visiting a malicious link or page (user interaction required). No authentication needed.
Key dates
06Disclosure timeline
July 13, 2026
CVE published
July 13, 2026
Record updated