Umbraco Examine is a powerful, fully configurable, and extensible library used for indexing Umbraco content to allow for fast and easy content & media searching. It uses Lucene.Net for indexing and caters for simple indexing/searching to very complex index/searching.
There are no reported vulnerabilities
At one point, Open Hub analyzed source code for this project based on code location(s) available at that time. Since then, the code locations have been removed.