Reflected Cross-Site Scripting Vulnerability in GetSimple CMS by GetSimple
CVE-2020-23839

6.1MEDIUM

Key Information:

Vendor

Get-simple

Status
Getsimple Cms
Vendor
CVE Published:
1 September 2020

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-23839?

A vulnerability in GetSimple CMS version 3.3.16 allows attackers to conduct reflected cross-site scripting (XSS) attacks. This occurs through the admin/index.php login portal, where malicious actors can craft a link that executes JavaScript code in a user's browser. When users click the link, enter their login credentials, and submit the form, this code can capture sensitive information such as login credentials. This highlights the critical need for secure coding practices to mitigate such vulnerabilities in web applications.

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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-2020-23839
Created by boku7

References

https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330
x_refsource_MISC
http://packetstormsecurity.com/files/162016/GetSimple-CMS...
x_refsource_MISC
https://www.exploit-db.com/exploits/49726
exploitx_refsource_EXPLOIT-DB

EPSS Score

7% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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