Spree is an open source e-commerce solution built with Ruby on Rails. Prior to versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5, an Unauthenticated Insecure Direct Object Reference (IDOR) vulnerability was identified that allows an unauthenticated attacker to access guest address information without supplying valid credentials or session cookies. This issue has been patched in versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5.
https://github.com/spree/spree/security/advisories/GHSA-3ghg-3787-w2xr
https://github.com/spree/spree/commit/e1cff4605eb15472904602aebaf8f2d04852d6ad
https://github.com/spree/spree/commit/d051925778f24436b62fa8e4a6b842c72ca80a67
https://github.com/spree/spree/commit/4c2bd62326fba0d846fd9e4bad2c62433829b3ad
https://github.com/spree/spree/commit/16067def6de8e0742d55313e83b0fbab6d2fd795