A weakness has been identified in ractivejs ractive up to 1.4.4. Impacted is the function Ractive#set of the component Keypath Handler. Executing a manipulation can lead to improperly controlled modification of object prototype attributes. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

A prototype pollution vulnerability has been identified in ractivejs/ractive up to version 1.4.4. The flaw resides in the Ractive#set function within the Keypath Handler component, allowing improperly controlled modification of object prototype attributes. The vulnerability can be exploited remotely, and a public exploit is already available, increasing the risk of active attacks. The project maintainers were notified via an issue report but have not yet responded or released a patch. This type of vulnerability can lead to serious consequences including denial of service, property injection, or remote code execution depending on the application context.