parseWildcardRules in Gin-Gonic CORS middleware before 1.6.0 mishandles a wildcard at the end of an origin string, e.g., https://example.community/* is allowed when the intention is that only https://example.com/* should be allowed, and http://localhost.example.com/* is allowed when the intention is that only http://localhost/* should be allowed.
https://github.com/gin-contrib/cors/releases/tag/v1.6.0
https://github.com/gin-contrib/cors/pull/57
https://github.com/gin-contrib/cors/pull/106
https://github.com/gin-contrib/cors/compare/v1.5.0...v1.6.0
https://github.com/gin-contrib/cors/commit/27b723a473efd80d5a498fa9f5933c80204c850d
Published: 2024-06-29
Updated: 2025-03-14
Base Score: 9.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
Severity: High
Base Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: Critical
Base Score: 9.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Severity: Critical