What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Vadim Bogaiskov Bg Church Memos bg-church-memos allows DOM-Based XSS.This issue affects Bg Church Memos: from n/a through <= 1.1.
Explanation of Vulnerability in Simple Terms
02Summary
Bg Church Memos versions 1.1 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts. An authenticated user must trick a victim into visiting a crafted page for the attack to succeed. The injected script can steal session data, modify site content, or perform actions on behalf of the victim.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in victims' browsers and steals data or performs unauthorized actions.
Potential impact on your site
04Site Impact
Authenticated users' sessions and data can be compromised if they visit attacker-controlled pages.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege account; victim must click a malicious link or visit a crafted page.
Key dates
06Disclosure timeline
September 22, 2025
CVE published
April 28, 2026
Record updated