What’s Vulnerable › Vulnerabilities

CVE-2021-47981: Quick.CMS 6.7 Cross-Site Scripting via CSRF to Sliders Form

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-16 · updated 2026-06-17
• Weakness: CWE-79

Description

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 targeting the admin.php?p=sliders-form endpoint to execute arbitrary JavaScript in victim browsers when the form is submitted.

Affected products

• OpenSolution Quick.CMS: 6.7

References

• https://opensolution.org/
• https://opensolution.org/download/home.html?sFile=Quick.Cms_v6.7-en.zip
• https://www.exploit-db.com/exploits/50530
• https://www.vulncheck.com/advisories/quick-cms-cross-site-scripting-via-csrf-to-sliders-form

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