What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in paulrosen ABC Notation abc-notation allows Stored XSS.This issue affects ABC Notation: from n/a through <= 6.1.3.
Explanation of Vulnerability in Simple Terms
02Summary
ABC Notation versions up to 6.1.3 contain a cross-site scripting (XSS) vulnerability that allows an authenticated user to inject malicious scripts. When a victim visits a page containing the attacker's payload, the script executes in their browser with access to their session. The vulnerability affects the integrity and confidentiality of user data across the application.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute in other users' browsers when they view affected content.
Potential impact on your site
04Site Impact
User sessions and data can be compromised if authenticated users visit pages with injected scripts.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege user account and the victim must visit a page containing the malicious payload.
Key dates
06Disclosure timeline
April 1, 2025
CVE published
April 28, 2026
Record updated