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
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| @cyntler/react-doc-viewernpm | v ≤ 1.17.1 | — |
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