What is GHSA-6r62-qf74-xpgg?

GHSA-6r62-qf74-xpgg is a security advisory published by GitHub Security Advisories with Medium severity. Server-Side Cross-Site Scripting and Server-Side Request Forgery vulnerability in the...

Which CVE IDs does GHSA-6r62-qf74-xpgg cover?

GHSA-6r62-qf74-xpgg covers the following CVE IDs: CVE-2026-8661. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6r62-qf74-xpgg?

GHSA-6r62-qf74-xpgg has a CVSS v3 base score of 4.8, published by GitHub Security Advisories.

GHSA-6r62-qf74-xpggMediumCVSS 4.8

Server-Side Cross-Site Scripting and Server-Side Request Forgery vulnerability in the...

Vendor

GitHub Security Advisories

Published

June 26, 2026

Last Modified

June 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-8661 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-8661
https://github.com/rapid7/insightconnect-plugins/pull/3721
https://github.com/rapid7/insightconnect-plugins/blob/master/plugins/markdown/help.md
https://github.com/advisories/GHSA-6r62-qf74-xpgg