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Cross-Site Scripting Vulnerability in Kentico CMS - exploit.company
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vendor:
Kentico CMS
by:
Unknown
5.5
CVSS
MEDIUM
Cross-Site Scripting
79
CWE
Product Name: Kentico CMS
Affected Version From: Kentico CMS 5.5R2.23
Affected Version To: Kentico CMS (other versions may also be affected)
Patch Exists: NO
Related CWE:
CPE: a:kentico:kentico_cms:5.5r2.23
Metasploit:
Other Scripts:
Platforms Tested:
2020

Cross-Site Scripting Vulnerability in Kentico CMS

The vulnerability exists due to insufficient sanitization of user-supplied data in Kentico CMS. An attacker can exploit this issue by injecting arbitrary script code in the browser of a victim user, potentially leading to the theft of authentication credentials and other attacks.

Mitigation:

Apply the latest security patches or updates provided by the vendor. Additionally, input validation and output encoding should be implemented to prevent XSS attacks.
Source

Exploit-DB raw data:

source: https://www.securityfocus.com/bid/48051/info

Kentico CMS is prone to a cross-site scripting vulnerability because it fails to sufficiently sanitize user-supplied data.

An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may allow the attacker to steal cookie-based authentication credentials and to launch other attacks.

Kentico CMS 5.5R2.23 is vulnerable; other versions may also be affected. 

POST http://localhost/examples/webparts/membership/users-viewer.aspx HTTP/1.1
&userContextMenu_parameter=%22%20onmouseover%3Dalert%281%29%20zsl%3D%22

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