What is CVE-2026-30691?

CVE-2026-30691 is a medium-severity vulnerability in N/a, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-20.

How severe is CVE-2026-30691?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2026-30691 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in N/a

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 ra…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

walidriouah/CVE-2026-30691

References

Frequently asked questions

What is CVE-2026-30691?: CVE-2026-30691 is a medium-severity vulnerability in N/a, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-20.
How severe is CVE-2026-30691?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2026-30691 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.