What is CVE-2021-47981?

CVE-2021-47981 is a medium-severity vulnerability in Opensolution Quick.cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-16.

How severe is CVE-2021-47981?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Opensolution Quick.cms

CVE-2021-47981

Quick.CMS 6.7 contains a cross-site scripting vulnerability in the sliders form that allows authenticated attackers to inject malicious scripts by submitting XSS payloads through the sDescription parameter. Attackers can craft CSRF forms t…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (9.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Opensolution Quick.cms — versions 6.7

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2021-47981?: CVE-2021-47981 is a medium-severity vulnerability in Opensolution Quick.cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-16.
How severe is CVE-2021-47981?: Medium severity. CVSS v3 base score is 5.4 out of 10.