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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...

6.5 CVSS

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.

Classification

CVE ID: CVE-2025-5273

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.5

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

Problem Types

Files or Directories Accessible to External Parties

Affected Products

Vendor: n/a

Product: mcp-markdownify-server

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 7.33% (scored less or equal to compared to others)

EPSS Date: 2025-06-17 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-5273
https://security.snyk.io/vuln/SNYK-JS-MCPMARKDOWNIFYSERVER-10249193
https://github.com/zcaceres/markdownify-mcp/commit/3a6b202d088ef7acb8be84bc09515f41a2b1a9df
https://github.com/zcaceres/markdownify-mcp/blob/3667bd4765c0e49684ce22df268d02dd478a7f3b/src/Markdownify.ts%23L94

Timeline