CVE-2026-30691

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

CVSS v3.1

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.30% chance of exploitation in the next 30 days, 22th percentile

Published

2026-05-20

Proof-of-concept exploits (1)

• walidriouah/CVE-2026-306910★ · 2026-05-19

References

• CVE Record
• NVD entry

Related

• CVE-2026-3069
• CVE-2026-30695
• CVE-2026-3068
• CVE-2026-3070
• CVE-2026-3067
• CVE-2026-3073