What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in bramwaas Simple Google Calendar Outlook Events Block Widget simple-google-icalendar-widget allows Stored XSS.This issue affects Simple Google Calendar Outlook Events Block Widget: from n/a through <= 2.5.0.
Explanation of Vulnerability in Simple Terms
02Summary
The Simple Google Calendar Outlook Events Block Widget for WordPress contains a stored cross-site scripting (XSS) vulnerability in versions up to 2.5.0. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other site visitors, potentially compromising their sessions or stealing data. The vulnerability requires user interaction to trigger and affects the widget's data handling.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers when they view the widget.
Potential impact on your site
04Site Impact
Visitors' sessions could be compromised or their data stolen through injected scripts in the calendar widget.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege WordPress account and a victim must view the affected widget.
Key dates
06Disclosure timeline
March 27, 2025
CVE published
April 28, 2026
Record updated