What is CVE-2021-38681?

CVE-2021-38681 is a medium-severity vulnerability in Negocios Ragic Cloud Db, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2021-11-20.

How severe is CVE-2021-38681?

Medium severity. CVSS v3 base score is 5.3 out of 10.

XSS in Negocios Ragic Cloud Db

CVE-2021-38681

A reflected cross-site scripting (XSS) vulnerability has been reported to affect QNAP NAS running Ragic Cloud DB. If exploited, this vulnerability allows remote attackers to inject malicious code. QNAP have already disabled and removed Ragic Cloud DB from the QNAP App Center, pending a security patch from Ragic.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-11-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Negocios Ragic Cloud Db — versions unspecified
QNAP Nas
QNAP Ragic Cloud Db

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.qnap.com/en/security-advisory/qsa-21-48 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-38681?: CVE-2021-38681 is a medium-severity vulnerability in Negocios Ragic Cloud Db, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2021-11-20.
How severe is CVE-2021-38681?: Medium severity. CVSS v3 base score is 5.3 out of 10.