Usage of the CORS handler may apply improper CORS headers, allowing the requester to explicitly control the value of the Access-Control-Allow-Origin header, which bypasses the expected behavior of the Same Origin Policy.
https://pkg.go.dev/vuln/GO-2020-0020
https://github.com/gorilla/handlers/pull/116
https://github.com/gorilla/handlers/commit/90663712d74cb411cbef281bc1e08c19d1a76145
Source: Mitre, NVD
Published: 2022-12-27
Updated: 2025-04-11
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00079