CVE-2017-11507

PoC —

CVSS 3.0

6.1 medium

EPSS

1%p62

Published

Dec 11, 2017 (Dec 11, 2017)

Modified

Jun 17, 2026

Description

A cross site scripting (XSS) vulnerability exists in Check_MK versions 1.2.8x prior to 1.2.8p25 and 1.4.0x prior to 1.4.0p9, allowing an unauthenticated attacker to inject arbitrary HTML or JavaScript via the output_format parameter, and the username parameter of failed HTTP basic authentication attempts, which is returned unencoded in an internal server error page.

Vendors: check mk project
Products: check mk
Weakness: CWE-79
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (1.0%)

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