Cross-site scripting (XSS) vulnerability in Help.aspx in mojoPortal version 2.5.0.0 allows remote attackers to inject arbitrary web script or HTML via the helpkey parameter. Exploitation requires authenticated reflected cross-site scripting for user accounts assigned either the "Administrators" or "Content Administrators" role.

mojoPortal through 2.6.0.0 is prone to multiple persistent cross-site scripting vulnerabilities because it fails to sanitize user-supplied input. The 'Title' and 'Subtitle' fields of the 'Blog' page are vulnerable. NOTE: The software maintainer disputes this as a vulnerability because the fields claimed to be vulnerable to XSS are only available to administrators who are supposed to have access to add scripts

mojoPortal v2.7 was discovered to contain a path traversal vulnerability via the "f" parameter at /DesignTools/CssEditor.aspx. This vulnerability allows authenticated attackers to read arbitrary files in the system.

mojoPortal v2.7 was discovered to contain an arbitrary file upload vulnerability which allows attackers to execute arbitrary code via a crafted PNG file.

A reflected cross-site scripting (XSS) vulnerability in the FileDialog.aspx component of mojoPortal v2.7.0.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the ed and tbi parameters.

Mojoportal v2.7 was discovered to contain an authenticated XML external entity (XXE) injection vulnerability.

Mojoportal v2.7.0.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability in the Company Info Settings component. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the txtCompanyName parameter.

An issue in Mojoportal v2.7.0.0 allows an unauthenticated attacker to register a new user even if the Allow User Registrations feature is disabled.

An issue in Mojoportal v2.7.0.0 and below allows an authenticated attacker to list all css files inside the root path of the webserver via manipulation of the "s" parameter in /DesignTools/ManageSkin.aspx

File Upload vulnerability in mojoPortal v.2.7.0.0 allows a remote attacker to execute arbitrary code via the File Manager function.

File Upload vulnerability in mojoPortal v.2.7.0.0 allows a remote attacker to execute arbitrary code via the Skin Management function.

An issue in mojoPortal v.2.7.0.0 allows a remote attacker to execute arbitrary code via a crafted script to the layout.master skin file at the Skin management component.

Cross Site Scripting vulnerability in mojoPortal v.2.7.0.0 allows a remote attacker to execute arbitrary code via the helpkey parameter in the Help.aspx component.

mojoPortal <=2.9.0.1 is vulnerable to Directory Traversal via BetterImageGallery API Controller - ImageHandler Action. An attacker can exploit this vulnerability to access the Web.Config file and obtain the MachineKey.