CVE-2025-5273 (CVSS 6.5)

Description

All versions of the package mcp-markdownify-server are vulnerable to Files or Directories Accessible to External Parties via the get-markdown-file tool. An attacker can craft a prompt that, once accessed by the MCP host, will allow it to read arbitrary files from the host running the server.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-552 CWE-552

References

Other References

https://github.com/zcaceres/markdownify-mcp/blob/3667bd4765c0e49684ce22df268d02dd478a7f3b/src/Markdownify.ts%23L94 https://github.com/zcaceres/markdownify-mcp/commit/3a6b202d088ef7acb8be84bc09515f41a2b1a9df https://security.snyk.io/vuln/SNYK-JS-MCPMARKDOWNIFYSERVER-10249193 https://security.snyk.io/vuln/SNYK-JS-MCPMARKDOWNIFYSERVER-10249193

Frequently Asked Questions

What is CVE-2025-5273? +

All versions of the package mcp-markdownify-server are vulnerable to Files or Directories Accessible to External Parties via the get-markdown-file tool. An attacker can craft a prompt that, once accessed by the MCP host, will allow it to read arbitrary files from the host running the server. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-5273? +

CVE-2025-5273 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-5273? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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