![]() ![]() ![]() This risk arises from the fact that there is usually no guaranty that the code hosted at the third-party will remain the same as seen from the developers and testers: new features may be pushed in the third-party code at any time, thus potentially breaking the interface or data-flows and exposing the availability of your application to its users/customers. Risk 1: Loss of control over changes to the client application ¶ The disclosure or leakage of sensitive information to 3rd parties.The execution of arbitrary code on client systems,.The loss of control over changes to the client application,.The invocation of third-party JS code in a web application requires consideration for 3 risks in particular: This has happened in 2018 and likely earlier. The single greatest risk is a compromise of the third party JavaScript server, and the injection of malicious JavaScript into the original tag JavaScript. The term host refers to the original site the user goes to, such as a shopping or news site, that contains or retrieves and executes third party JavaScript tag for marketing analysis of the user actions. ![]() The data is used for user navigation and clickstream analysis, identification of the user to determine further content to display etc., and various marketing analysis functions. This data can be anything available in the DOM. The rationale for analytics tags is to provide data from the user's browser DOM to the vendor for some form of marketing analysis. User interface tags have to execute on the client because they change the DOM displaying a dialog or image or changing text etc.Īnalytics tags send information back to a marketing information database information like what user action was just taken, browser metadata, location information, page metadata etc. Third party vendor JavaScript tags (hereinafter, tags) can be divided into two types: The reason for them is to collect data on the web user actions and browsing context for use by the web page owner in marketing. They can also be HTML image elements when JavaScript is disabled. are small bits of JavaScript on a web page. Tags, aka marketing tags, analytics tags etc. Third Party JavaScript Management Cheat Sheet ¶ Introduction ¶ Indirect request to Vendor through Tag Manager Third-party JavaScript Deployment Architectures Risk 3: Disclosure of sensitive information to 3rd parties Risk 2: Execution of arbitrary code on client systems Risk 1: Loss of control over changes to the client application Insecure Direct Object Reference Prevention ![]()
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