What the vulnerability does
01Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in efreja Music Sheet Viewer music-sheet-viewer allows Path Traversal.This issue affects Music Sheet Viewer: from n/a through <= 4.1.
Explanation of Vulnerability in Simple Terms
02Summary
Music Sheet Viewer versions 4.1 and earlier contain a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files from the server. An attacker can craft requests to access files outside the intended directory, potentially exposing sensitive configuration files, source code, or other confidential data. No user interaction is required.
What an attacker can do
03Attacker Capabilities
Read arbitrary files from the server, including configuration files and sensitive data.
Potential impact on your site
04Site Impact
Sensitive files on the server may be exposed to unauthorized access, including database credentials or API keys.
Conditions required to exploit
05Prerequisites
Network access to the vulnerable application; no authentication or user interaction required.
Key dates
06Disclosure timeline
February 7, 2025
CVE published
April 28, 2026
Record updated