Cross Site Scripting (XSS) Vulnerability in Check_MK Versions 1.4.0x prior to 1.4.0p6

CVE-2017-9781 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:P/A:N

A cross site scripting (XSS) vulnerability exists in Check_MK versions 1.4.0x prior to 1.4.0p6, allowing an unauthenticated remote attacker to inject arbitrary HTML or JavaScript via the _username parameter when attempting authentication to webapi.py, which is returned unencoded with content type text/html.

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