Ebay's "Recently Viewed" not reseting with Sandboxie

Using Sandboxie Classic (not the latest but it's only a couple versions ago) and Firefox, I have noticed that my Ebay "Recently Viewed" listings remain when I start a new sandbox.

So let's say I look up toiletry items on sandboxed ebay. If I clear the sandbox and go back to sandboxed ebay, those same "Recently Viewed" items will appear. I can understand if the recently viewed items were from an older non sandbox ebay session, but from the previous sandboxed session, which was cleared, seems odd to me.

 

By the way, I am not signed into ebay. If I was signed in, I wouldn't have posted this.

 

Even if you're not logged in Ebay may set cookies to recognize you. Since (with a default configuration) the sandboxed browser has read access to the unsandboxed browser data (including cookies), your visits from unsandboxed and sandboxed browsers belong to the same session from Ebay's point of view.

 

I would explain it in a similar way as dodo1. I think that more or less the same happens e.g. with youtube. (If I remember correctly this was discussed somewhere here in the Forum a longer time ago.*) To say it in a very unprofessional way: If a cookie of Ebay, Youtube etc. is stored on your computer somewhere outside of the sandbox, the "memories" of what has happened during a session within a sandbox (recently viewed items/videos etc.) are still "alive" after having closed and cleared it.
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*) PS:
See for example this explanation written by Radagast70:

"When you create a cookie outside of Sandboxie, your browser is able to read it, when started inside of Sandboxie. After this, when you look a video on Youtube inside the sandbox, i assume it will be stored into a database on Youtube-servers, which is connected to this cookie ID - i don't think that every watched video is stored inside of the cookie, because it would become very large over the time, so i think the cookie only stores an ID, and all things connected with this ID will be stored on a database on YouTube-servers.

So when you go to Youtube outside of Sandboxie, the same cookie ID is used to look into this database, and your watched videos are known.

In Sandboxie you can block the access to files outside of the sandbox (which prevents the program into Sandboxie to read it), so probably you can avoid this problem by blocking the access to the folder which contains the cookies. In Sandboxie this setting can be found at "Resource access / File access / Blocked access"."

Source:
https://www.wilderssecurity.com/thr...rsion-5-33-6-only.428156/page-27#post-2961786