4.3
CVSSv2

CVE-2017-9781

Published: 21/06/2017 Updated: 07/11/2023
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.1 | Impact Score: 2.7 | Exploitability Score: 2.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Vulnerability Summary

A cross site scripting (XSS) vulnerability exists in Check_MK versions 1.4.0x before 1.4.0p6, allowing an unauthenticated remote malicious user 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.

Vulnerability Trend

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check mk project check mk 1.4.0

Vendor Advisories

Debian Bug report logs - #865497 check-mk: CVE-2017-9781: reflected XSS in webapipy Package: src:check-mk; Maintainer for src:check-mk is Debian Nagios Maintainer Group <pkg-nagios-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Thu, 22 Jun 2017 03:21:02 UTC Severity: grav ...
Several security issues were fixed in Checkmk ...