Planet eStream before 6.72.10.07 allows unauthenticated upload of arbitrary files: Choose a Video / Related Media or Upload Document. Upload2.ashx can be used, or Ajax.asmx/ProcessUpload2. This leads to remote code execution.

Planet eStream before 6.72.10.07 discloses sensitive information, related to the ON cookie (findable in HTML source code for Default.aspx in some situations) and the WhoAmI endpoint (e.g., path disclosure).

GetFile.aspx in Planet eStream before 6.72.10.07 allows ..\ directory traversal to read arbitrary local files.

Planet eStream before 6.72.10.07 allows a low-privileged user to gain access to administrative and high-privileged user accounts by changing the value of the ON cookie. A brute-force attack can calculate a value that provides permanent access.

In Planet eStream before 6.72.10.07, multiple Stored Cross-Site Scripting (XSS) vulnerabilities exist: Disclaimer, Search Function, Comments, Batch editing tool, Content Creation, Related Media, Create new user, and Change Username.

Planet eStream before 6.72.10.07 allows attackers to call restricted functions, and perform unauthenticated uploads (Upload2.ashx) or access content uploaded by other users (View.aspx after Ajax.asmx/SaveGrantAccessList).

In Planet eStream before 6.72.10.07, a Reflected Cross-Site Scripting (XSS) vulnerability exists via any metadata filter field (e.g., search within Default.aspx with the r or fo parameter).

Planet eStream before 6.72.10.07 allows a remote attacker (who is a publisher or admin) to obtain access to all records stored in the database, and achieve the ability to execute arbitrary SQL commands, via Search (the StatisticsResults.aspx flt parameter).