Summary #

Content-Security-Policy-Report-Only cannot be declared between META tags.

Actions To Take #
  • If you want to use one of the CSP in report only mode, you should declare it in response headers.

Classifications #
CWE-16, ISO27001-A.14.2.5, WASC-15, OWASP 2013-A5, OWASP 2017-A6

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