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Insecure or unset HTTP headers - CORS

Description#

The cross-domain policy includes wildcards,' accepting any domain as valid for sharing resources.

Impact#

Include resources from untrusted origins.

Recommendation#

Remove the wildcard (*) and define explicitly the trusted origins for the application resources.

Threat#

Unauthorized attacker from the Internet.

Score#

Default score using CVSS 3.1. It may change depending on the context of the vulnerability.

Base#

  • Attack vector: N
  • Attack complexity: H
  • Privileges required: N
  • User interaction: R
  • Scope: U
  • Confidentiality: N
  • Integrity: L
  • Availability: N

Temporal#

  • Exploit code madurity: P
  • Remediation level: U
  • Report confidence: C

Result#

  • Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:U/RC:C
  • Score:
    • Base: 3.1
    • Temporal: 3.0
  • Severity:
    • Base: Low
    • Temporal: Low

Requirements#