CVE-2021-23838
Microsoft flatCore Reflected Cross-Site Scripting (XSS)
Description
An issue was discovered in flatCore before 2.0.0 build 139. A reflected XSS vulnerability was identified in the media_filter HTTP request body parameter for the acp interface. The affected parameter accepts malicious client-side script without proper input sanitization. For example, a malicious user can leverage this vulnerability to steal cookies from a victim user and perform a session-hijacking attack, which may then lead to unauthorized access to the site.
INFO
Published Date :
Jan. 15, 2021, 7:15 a.m.
Last Modified :
Nov. 21, 2024, 5:51 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
1.7
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-2021-23838.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/160936/flatCore-CMS-XSS-File-Disclosure-SQL-Injection.html | Exploit Third Party Advisory VDB Entry |
| https://github.com/flatCore/flatCore-CMS | Product Third Party Advisory |
| https://sec-consult.com/vulnerability-lab/ | Third Party Advisory |
| http://packetstormsecurity.com/files/160936/flatCore-CMS-XSS-File-Disclosure-SQL-Injection.html | Exploit Third Party Advisory VDB Entry |
| https://github.com/flatCore/flatCore-CMS | Product Third Party Advisory |
| https://sec-consult.com/vulnerability-lab/ | Third Party Advisory |
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-23838 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-23838 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/160936/flatCore-CMS-XSS-File-Disclosure-SQL-Injection.html Added Reference https://github.com/flatCore/flatCore-CMS Added Reference https://sec-consult.com/vulnerability-lab/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jan. 22, 2021
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:S/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Changed Reference Type http://packetstormsecurity.com/files/160936/flatCore-CMS-XSS-File-Disclosure-SQL-Injection.html No Types Assigned http://packetstormsecurity.com/files/160936/flatCore-CMS-XSS-File-Disclosure-SQL-Injection.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type https://github.com/flatCore/flatCore-CMS No Types Assigned https://github.com/flatCore/flatCore-CMS Product, Third Party Advisory Changed Reference Type https://sec-consult.com/vulnerability-lab/ No Types Assigned https://sec-consult.com/vulnerability-lab/ Third Party Advisory Added CWE NIST CWE-79 Added CPE Configuration OR *cpe:2.3:a:flatcore:flatcore:*:*:*:*:*:*:*:* versions up to (including) 2.0.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-23838 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-2021-23838
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.39 }} 0.11%
score
0.73726
percentile