CVE-2026-30691

Medium

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

SeverityMedium
CVSS6.1
Exploit probability—
Product@cyntler/react-doc-viewer
PublishedMay 20, 2026
First seenMay 20, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
@cyntler/react-doc-viewernpmv ≤ 1.17.1—

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