Cross-Site Scripting Vulnerability in Quick.CMS by OpenSolution
CVE-2021-47981

5.1MEDIUM

Key Information:

Vendor

Opensolution

Status
Quick.cms
Vendor
CVE Published:
16 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47981?

Quick.CMS version 6.7 is susceptible to a cross-site scripting (XSS) vulnerability that allows authenticated attackers to inject harmful scripts. This exploit is facilitated through the sliders form via the sDescription parameter, where attackers can submit crafted CSRF forms targeting the admin.php?p=sliders-form endpoint. Successful execution of this vulnerability could lead to arbitrary JavaScript being run in the browsers of unsuspecting users upon form submission.

Affected Version(s)

Quick.CMS 6.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47981 - Proof of Concept

References

https://www.exploit-db.com/exploits/50530
exploit
https://opensolution.org/
product
https://opensolution.org/download/home.html?sFile=Quick.C...
product

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Rahad Chowdhury
.