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.
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: rapid7

Published: 2026-06-26T01:59:58.963Z

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.