Clicking on the first suggestion leads to the page for CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). Usually, specific keywords will be identified in the first few results, if not the first one. Note that the second search result is CWE-725 which is a CWE Category for OWASP XSS. Remember: never map a vulnerability to a CWE Category
If you click on the first result for CWE-79, here is part of what you’ll see:
Keyword Search Results - CWE-79
The following steps assume you have the “Complete” button selected above the Description, to ensure you see all available weakness information in the CWE.