CVE-2026-9549
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
45/100
Published: 2026-06-08
Modified: 2026-10-23
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
High
UI:
Passive
S:
X
AT:
None
VC:
None
VI:
Low
VA:
None
Description
Stored cross-site scripting in the service discovery active check output in Checkmk <2.5.0p5, <2.4.0p31, <2.3.0p48, and all 2.2.0 versions allows an administrator who can configure active or custom checks to inject malicious HTML or JavaScript into check output that executes in the browser of an admin or a user with host read permissions when they run the check on the service discovery page.
Weakness Classification (1)
Affected Software (157)
| Vendor | Product | Version |
|---|---|---|
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0 |
Showing 30 of 157 entries
References & Advisories (1)
Vendor Advisory