CVE-2018-14774: Improper Input Validation

August 3, 2018 (updated October 17, 2018)

An issue was discovered in HttpKernel in Symfony When using HttpCache, the values of the X-Forwarded-Host headers are implicitly set as trusted while this should be forbidden, leading to potential host header injection.

References

nvd.nist.gov/vuln/detail/CVE-2018-14774

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