What is GHSA-fvhg-p4hf-79x3?

GHSA-fvhg-p4hf-79x3 is a security advisory published by GitHub Security Advisories with Medium severity. @cyntler/react-doc-viewer's TXTRenderer fails to sanitize file content and explicitly casts raw data as a ReactNode

Which CVE IDs does GHSA-fvhg-p4hf-79x3 cover?

GHSA-fvhg-p4hf-79x3 covers the following CVE IDs: CVE-2026-30691. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fvhg-p4hf-79x3?

GHSA-fvhg-p4hf-79x3 has a CVSS v3 base score of 6.1, published by GitHub Security Advisories.

Which products are affected by GHSA-fvhg-p4hf-79x3?

GHSA-fvhg-p4hf-79x3 affects 1 product, including: npm/@cyntler/react-doc-viewer:\u003c= 1.17.1.

GHSA-fvhg-p4hf-79x3MediumCVSS 6.1

@cyntler/react-doc-viewer's TXTRenderer fails to sanitize file content and explicitly casts raw data as a ReactNode

Vendor

GitHub Security Advisories

Published

May 20, 2026

Last Modified

June 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-30691 →

📋 Description

Cross-Site Scripting (XSS) vulnerability in @cyntler/react-doc-viewer v1.17.1 allows remote attackers to execute arbitrary JavaScript via a crafted .txt file. The TXTRenderer component fails to sanitize file content and explicitly casts raw data as a ReactNode.

🎯 Affected products1

npm/@cyntler/react-doc-viewer:<= 1.17.1

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-30691
https://github.com/cyntler/react-doc-viewer/issues/317
https://github.com/walidriouah/CVE-2026-30691
https://github.com/advisories/GHSA-fvhg-p4hf-79x3