Description

A Reflected Cross-Site Scripting (XSS) vulnerability in GetSimple CMS v3.3.16, in the admin/index.php login portal webpage, allows remote attackers to execute JavaScript code in the client's browser and harvest login credentials after a client clicks a link, enters credentials, and submits the login form.

INFO

Published Date :

Sept. 1, 2020, 5:15 p.m.

Last Modified :

Dec. 3, 2022, 2:56 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2020-23839 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-23839 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Get-simple getsimple_cms
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-23839.

URL Resource
http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scripting-Shell-Upload.html Third Party Advisory VDB Entry
https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330 Exploit Third Party Advisory
https://github.com/boku7/CVE-2020-23839 Third Party Advisory
https://www.exploit-db.com/exploits/49726 Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Python Jupyter Notebook TeX

Updated: 1 year, 6 months ago
0 stars 0 fork 0 watcher
Born at : July 6, 2022, 11:31 a.m. This repo has been linked 9 different CVEs too.

Public PoC Disclosure for CVE-2020-23839 - GetSimple CMS v3.3.16 suffers from a Reflected XSS on the Admin Login Portal

Python

Updated: 1 month, 1 week ago
10 stars 2 fork 2 watcher
Born at : March 30, 2021, 12:39 a.m. This repo has been linked 1 different CVEs too.

CVE Data Analysis, CVE Monitor, CVE EXP Prediction Based on Deep Learning. 1999-2020年存量CVE数据分析、监控CVE增量更新、基于深度学习的CVE EXP预测和自动化推送

Python

Updated: 3 weeks, 2 days ago
176 stars 24 fork 24 watcher
Born at : June 15, 2020, 2:56 p.m. This repo has been linked 692 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-23839 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-23839 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Dec. 03, 2022

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scripting-Shell-Upload.html No Types Assigned http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scripting-Shell-Upload.html Third Party Advisory, VDB Entry
    Changed Reference Type https://github.com/boku7/CVE-2020-23839 No Types Assigned https://github.com/boku7/CVE-2020-23839 Third Party Advisory
    Changed Reference Type https://www.exploit-db.com/exploits/49726 No Types Assigned https://www.exploit-db.com/exploits/49726 Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Apr. 01, 2021

    Action Type Old Value New Value
    Added Reference https://github.com/boku7/CVE-2020-23839 [No Types Assigned]
    Added Reference https://www.exploit-db.com/exploits/49726 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 30, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scripting-Shell-Upload.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 04, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330 No Types Assigned https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330 Exploit, Third Party Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:get-simple:getsimple_cms:3.3.16:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-23839 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-23839 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.78 }} 0.22%

score

0.81522

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability