packages:
  - module: std
    package: net/http/cgi
    symbols:
      - response.Write
    versions:
      - fixed: 1.14.8
      - introduced: 1.15.0
        fixed: 1.15.1
  - module: std
    package: net/http/fcgi
    symbols:
      - response.Write
    versions:
      - fixed: 1.14.8
      - introduced: 1.15.0
        fixed: 1.15.1
description: |
    When a Handler does not explicitly set the Content-Type header,
    the net/http/cgi and net/http/fcgi packages default to "text/html",
    which can cause a Cross-Site Scripting vulnerability if an attacker
    can control any part of the contents of a response.
published: 2022-02-17T18:15:47Z
cves:
  - CVE-2020-24553
credit: RedTeam Pentesting GmbH
links:
    pr: https://go.dev/cl/252179
    commit: https://go.googlesource.com/go/+/4f5cd0c0331943c7ec72df3b827d972584f77833
    context:
      - https://go.dev/issue/40928
      - https://groups.google.com/g/golang-announce/c/8wqlSbkLdPs