Server-Side Cross-Site Scripting and Server-Side Request Forgery vulnerability in the markdown_to_pdf action of Rapid7 InsightConnect Markdown Plugin version 3.1.4 and earlier on Linux allows remote attackers to execute JavaScript server-side and make arbitrary outbound HTTP requests via crafted content embedded in Markdown input. The PDF rendering engine does not restrict script execution or outbound network access.

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Fixes

Solution

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Workaround

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History

Fri, 26 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 26 Jun 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Rapid7
Rapid7 insightconnect Markdown Plugin
Vendors & Products Rapid7
Rapid7 insightconnect Markdown Plugin

Fri, 26 Jun 2026 02:15:00 +0000

Type Values Removed Values Added
Description Server-Side Cross-Site Scripting and Server-Side Request Forgery vulnerability in the markdown_to_pdf action of Rapid7 InsightConnect Markdown Plugin version 3.1.4 and earlier on Linux allows remote attackers to execute JavaScript server-side and make arbitrary outbound HTTP requests via crafted content embedded in Markdown input. The PDF rendering engine does not restrict script execution or outbound network access.
Title Server-Side Cross-Site Scripting and SSRF in Rapid7 InsightConnect Markdown to PDF Plugin
Weaknesses CWE-79
CWE-918
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: rapid7

Published:

Updated: 2026-06-26T12:24:03.302Z

Reserved: 2026-05-15T06:29:03.740Z

Link: CVE-2026-8661

cve-icon Vulnrichment

Updated: 2026-06-26T12:23:49.835Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-26T09:35:52Z

Weaknesses