CVE-2024-28831

XSS in confirmation pop-up

MEDIUM

5.4

CVSS Score

Published: June 25, 2024 at 11:45 AM UTC

Updated: June 17, 2026 at 07:21 AM UTC

1 product affected across 1 vendorCheckmk

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Severity

MEDIUM5.4

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

Stored XSS in some confirmation pop-ups in Checkmk before versions 2.3.0p7 and 2.2.0p28 allows Checkmk users to execute arbitrary scripts by injecting HTML elements into some user input fields that are shown in a confirmation pop-up.

Affected

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

Checkmk · Checkmk

95%

v ≤ 2.2.02.2.0 ≤ v < 2.2.0p282.3.0 ≤ v < 2.3.0p72.2.0 2.2.0 b1 2.2.0 b2 2.2.0 b3 2.2.0 b4 2.2.0 b5 2.2.0 b6 2.2.0 b7 2.2.0 b8 2.2.0 i1 2.2.0 p1 2.2.0 p10 2.2.0 p11 2.2.0 p12 2.2.0 p13 2.2.0 p14 2.2.0 p15 2.2.0 p16 2.2.0 p17 2.2.0 p18 2.2.0 p19 2.2.0 p2 2.2.0 p20 2.2.0 p21 2.2.0 p22 2.2.0 p23 2.2.0 p24 2.2.0 p25 2.2.0 p26 2.2.0 p27 2.2.0 p3 2.2.0 p4 2.2.0 p5 2.2.0 p6 2.2.0 p7 2.2.0 p8 2.2.0 p9 2.3.0 2.3.0 b1 2.3.0 b2 2.3.0 b3 2.3.0 b4 2.3.0 b5 2.3.0 b6 2.3.0 p1 2.3.0 p2 2.3.0 p3 2.3.0 p4 2.3.0 p5 2.3.0 p6

Affected range stops below 2.2.0p28, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.3.0p7, 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

https://checkmk.com/werk/17025

References (1)

Vendor Advisory

Source: [email protected]

https://checkmk.com/werk/17025

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMCheckmk

Vector?

Quick Info

StatusANALYZED

CWE

CWE-80CWE-79

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