What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Aakif Kadiwala Event Espresso – Custom Email Template Shortcode email-shortcode allows Reflected XSS.This issue affects Event Espresso – Custom Email Template Shortcode: from n/a through <= 1.0.0.
Explanation of Vulnerability in Simple Terms
02Summary
Event Espresso's Custom Email Template Shortcode plugin contains a cross-site scripting (XSS) vulnerability in versions up to 1.0.0. An attacker can inject malicious scripts into email templates that execute in a user's browser when they view the template. The vulnerability requires user interaction and can affect other users or site functionality. Update to a version newer than 1.0.0 to resolve this issue.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts into email templates that run in users' browsers when they view the template.
Potential impact on your site
04Site Impact
Site visitors viewing email templates could have their sessions hijacked, credentials stolen, or be redirected to malicious sites.
Conditions required to exploit
05Prerequisites
No authentication required. A user must visit or interact with a page containing the vulnerable shortcode.
Key dates
06Disclosure timeline
April 17, 2025
CVE published
April 28, 2026
Record updated