© 2026 vulntracker.io

CVE-2017-11507

N/A

Published: December 11, 2017 at 04:00 PM UTC

Updated: June 17, 2026 at 01:01 AM UTC

1 product affected across 1 vendorCheck Mk

Using Check_MK by Tenable?

Get instant alerts when new vulnerabilities affect Check_MK - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

N/A

Exploit prediction

EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Check Mk · Check Mk Project

95%

Affected range stops below 1, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.4.0p9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

http://mathias-kettner.com/check_mk_werks.php?werk_id=7661

References (2)

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

http://mathias-kettner.com/check_mk_werks.php?werk_id=7661

x_refsource_MISCExploitThird Party Advisory

Source: [email protected]

https://www.tenable.com/security/research/tra-2017-20

CVSS

4.3MEDIUM[email protected]

Confidentiality: NONE
Integrity: PARTIAL
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-79

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card