CVE-2025-39663
- Source
- https://cve.org/CVERecord?id=CVE-2025-39663
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39663.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-39663
- Downstream
- Published
- 2025-10-30T10:43:08.500Z
- Modified
- 2026-07-15T02:14:57.356778150Z
- Severity
-
- 8.5 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
- Summary
- Cross Site Scripting through compromised remote site
- Details
-
Cross-Site Scripting (XSS) vulnerability in Checkmk's distributed monitoring allows a compromised remote site to inject malicious HTML code into service outputs in the central site. Affecting Checkmk before 2.4.0p14, 2.3.0p39, 2.2.0 and 2.1.0 (eol).
- Database specific
{ "unresolved_ranges": [ { "source": "AFFECTED_FIELD", "extracted_events": [ { "introduced": "2.4.0" }, { "fixed": "2.4.0p14" }, { "introduced": "2.3.0" }, { "fixed": "2.3.0p39" }, { "introduced": "2.2.0" }, { "last_affected": "2.2.0" }, { "introduced": "2.1.0" }, { "last_affected": "2.1.0" } ] }, { "extracted_events": [ { "fixed": "2.4.0p14" } ], "source": "DESCRIPTION" } ], "cna_assigner": "Checkmk", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39663.json", "cwe_ids": [ "CWE-80" ] }- References
-
- http://seclists.org/fulldisclosure/2025/Nov/0
- https://checkmk.com/werk/17998
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39663.json
- https://github.com/sbaresearch/advisories/tree/82fd27e4570433464c30b35150b197db9a850f4e/2025/SBA-ADV-20250729-01_Checkmk_Cross_Site_Scripting
- https://nvd.nist.gov/vuln/detail/CVE-2025-39663
Affected packages
Git / github.com/checkmk/checkmk
Affected ranges
- Type
- GIT
- Repo
- https://github.com/checkmk/checkmk
- Events
-
IntroducedFixedIntroducedLast affected
- Database specific
{ "cpe": [ "cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:-:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p1:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p10:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p11:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p12:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p13:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p14:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p15:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p16:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p17:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p18:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p19:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p2:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p20:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p21:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p22:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p23:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p24:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p25:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p26:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p27:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p28:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p29:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p3:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p30:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p31:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p32:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p33:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p34:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p35:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p36:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p37:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p38:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p4:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p5:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p6:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p7:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p8:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.3.0:p9:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:-:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p1:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p10:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p11:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p12:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p13:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p2:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p3:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p4:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p5:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p6:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p7:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p9:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "2.0.0" }, { "fixed": "2.3.0" }, { "introduced": "2.3.0-NA" }, { "last_affected": "2.3.0-NA" }, { "introduced": "2.3.0-p1" }, { "last_affected": "2.3.0-p1" }, { "introduced": "2.3.0-p10" }, { "last_affected": "2.3.0-p10" }, { "introduced": "2.3.0-p11" }, { "last_affected": "2.3.0-p11" }, { "introduced": "2.3.0-p12" }, { "last_affected": "2.3.0-p12" }, { "introduced": "2.3.0-p13" }, { "last_affected": "2.3.0-p13" }, { "introduced": "2.3.0-p14" }, { "last_affected": "2.3.0-p14" }, { "introduced": "2.3.0-p15" }, { "last_affected": "2.3.0-p15" }, { "introduced": "2.3.0-p16" }, { "last_affected": "2.3.0-p16" }, { "introduced": "2.3.0-p17" }, { "last_affected": "2.3.0-p17" }, { "introduced": "2.3.0-p18" }, { "last_affected": "2.3.0-p18" }, { "introduced": "2.3.0-p19" }, { "last_affected": "2.3.0-p19" }, { "introduced": "2.3.0-p2" }, { "last_affected": "2.3.0-p2" }, { "introduced": "2.3.0-p20" }, { "last_affected": "2.3.0-p20" }, { "introduced": "2.3.0-p21" }, { "last_affected": "2.3.0-p21" }, { "introduced": "2.3.0-p22" }, { "last_affected": "2.3.0-p22" }, { "introduced": "2.3.0-p23" }, { "last_affected": "2.3.0-p23" }, { "introduced": "2.3.0-p24" }, { "last_affected": "2.3.0-p24" }, { "introduced": "2.3.0-p25" }, { "last_affected": "2.3.0-p25" }, { "introduced": "2.3.0-p26" }, { "last_affected": "2.3.0-p26" }, { "introduced": "2.3.0-p27" }, { "last_affected": "2.3.0-p27" }, { "introduced": "2.3.0-p28" }, { "last_affected": "2.3.0-p28" }, { "introduced": "2.3.0-p29" }, { "last_affected": "2.3.0-p29" }, { "introduced": "2.3.0-p3" }, { "last_affected": "2.3.0-p3" }, { "introduced": "2.3.0-p30" }, { "last_affected": "2.3.0-p30" }, { "introduced": "2.3.0-p31" }, { "last_affected": "2.3.0-p31" }, { "introduced": "2.3.0-p32" }, { "last_affected": "2.3.0-p32" }, { "introduced": "2.3.0-p33" }, { "last_affected": "2.3.0-p33" }, { "introduced": "2.3.0-p34" }, { "last_affected": "2.3.0-p34" }, { "introduced": "2.3.0-p35" }, { "last_affected": "2.3.0-p35" }, { "introduced": "2.3.0-p36" }, { "last_affected": "2.3.0-p36" }, { "introduced": "2.3.0-p37" }, { "last_affected": "2.3.0-p37" }, { "introduced": "2.3.0-p38" }, { "last_affected": "2.3.0-p38" }, { "introduced": "2.3.0-p4" }, { "last_affected": "2.3.0-p4" }, { "introduced": "2.3.0-p5" }, { "last_affected": "2.3.0-p5" }, { "introduced": "2.3.0-p6" }, { "last_affected": "2.3.0-p6" }, { "introduced": "2.3.0-p7" }, { "last_affected": "2.3.0-p7" }, { "introduced": "2.3.0-p8" }, { "last_affected": "2.3.0-p8" }, { "introduced": "2.3.0-p9" }, { "last_affected": "2.3.0-p9" }, { "introduced": "2.4.0-NA" }, { "last_affected": "2.4.0-NA" }, { "introduced": "2.4.0-p1" }, { "last_affected": "2.4.0-p1" }, { "introduced": "2.4.0-p10" }, { "last_affected": "2.4.0-p10" }, { "introduced": "2.4.0-p11" }, { "last_affected": "2.4.0-p11" }, { "introduced": "2.4.0-p12" }, { "last_affected": "2.4.0-p12" }, { "introduced": "2.4.0-p13" }, { "last_affected": "2.4.0-p13" }, { "introduced": "2.4.0-p2" }, { "last_affected": "2.4.0-p2" }, { "introduced": "2.4.0-p3" }, { "last_affected": "2.4.0-p3" }, { "introduced": "2.4.0-p4" }, { "last_affected": "2.4.0-p4" }, { "introduced": "2.4.0-p5" }, { "last_affected": "2.4.0-p5" }, { "introduced": "2.4.0-p6" }, { "last_affected": "2.4.0-p6" }, { "introduced": "2.4.0-p7" }, { "last_affected": "2.4.0-p7" }, { "introduced": "2.4.0-p9" }, { "last_affected": "2.4.0-p9" } ], "source": [ "CPE_RANGE", "CPE_STRING" ] }
Affected versions
2.*
2.3.0-NA
2.3.0-p1
2.3.0-p10
2.3.0-p11
2.3.0-p12
2.3.0-p13
2.3.0-p14
2.3.0-p15
2.3.0-p16
2.3.0-p17
2.3.0-p18
2.3.0-p19
2.3.0-p2
2.3.0-p20
2.3.0-p21
2.3.0-p22
2.3.0-p23
2.3.0-p24
2.3.0-p25
2.3.0-p26
2.3.0-p27
2.3.0-p28
2.3.0-p29
2.3.0-p3
2.3.0-p30
2.3.0-p31
2.3.0-p32
2.3.0-p33
2.3.0-p34
2.3.0-p35
2.3.0-p36
2.3.0-p37
2.3.0-p38
2.3.0-p4
2.3.0-p5
2.3.0-p6
2.3.0-p7
2.3.0-p8
2.3.0-p9
2.4.0-NA
2.4.0-p1
2.4.0-p10
2.4.0-p11
2.4.0-p12
2.4.0-p13
2.4.0-p2
2.4.0-p3
2.4.0-p4
2.4.0-p5
2.4.0-p6
2.4.0-p7
2.4.0-p9