This technique is also referred to as a "Web beacon", "Web bug", or other similar names.

此项技术也称作“Web beacon”、“Web bug”或其他类似的名称。

youdao

We go online to buy something and a "Web bug," a software program that monitors our purchases, develops a profile of our buying habits that is sold to businesses.

我们去网上购物，而一只“网络臭虫”，一个软件程序，监视着我们的采购，将我们的购买习惯转成档案卖给商家。

youdao

Perhaps the inability to “control” a page is a limitation, a bug of the web. When we come from the WYSIWYG world, our initial instinct is to think so.

不能控制网页看似一种局限，或缺陷，而来自 WYSIWYG 世界的我们初期都有这种想法，我承认最初我也这样想。

youdao

Those vulnerable sites included domains owned by Google, Facebook, Microsoft, and Symantec, all of which the researchers contacted to alert the companies to the new Web bug.

FORBES: Researchers Say Hijackable Bug Infects 30% Of Websites

On its TechNet Web site, Microsoft refers to the bug as the "Web Server Folder Traversal" vulnerability.

CNN: Microsoft servers hit by another hacker

The tool takes advantage of cross-site scripting, a common bug in Web sites that takes control of a user's browser when he or she clicks on a specially crafted link, or in some cases, simply visits a compromised page.

FORBES: Magazine Article