Harbor is an open source trusted cloud native registry project that stores, signs, and scans content. Versions 2.11.2 and below, as well as versions 2.12.0-rc1 and 2.13.0-rc1, contain a vulnerability where the markdown field in the info tab page can be exploited to inject XSS code. This is fixed in versions 2.11.3 and 2.12.3.

Harbor repository description page has Cross-site Scripting vulnerability