Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
Vulnerability Details :

CVE-2025-39663

Summary
Assigner-Checkmk
Assigner Org ID-f7d6281c-4801-44ce-ace2-493291dedb0f
Published At-30 Oct, 2025 | 10:43
Updated At-07 Nov, 2025 | 16:04
Rejected At-
Credits

Cross Site Scripting through compromised remote site

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).

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Checkmk
Assigner Org ID:f7d6281c-4801-44ce-ace2-493291dedb0f
Published At:30 Oct, 2025 | 10:43
Updated At:07 Nov, 2025 | 16:04
Rejected At:
▼CVE Numbering Authority (CNA)
Cross Site Scripting through compromised remote site

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).

Affected Products
Vendor
Checkmk GmbHCheckmk GmbH
Product
Checkmk
Default Status
unaffected
Versions
Affected
  • From 2.4.0 before 2.4.0p14 (semver)
  • From 2.3.0 before 2.3.0p39 (semver)
  • 2.2.0 (semver)
  • 2.1.0 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-80CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Type: CWE
CWE ID: CWE-80
Description: CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Metrics
VersionBase scoreBase severityVector
4.08.5HIGH
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
Version: 4.0
Base score: 8.5
Base severity: HIGH
Vector:
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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-592CAPEC-592: Stored XSS
CAPEC ID: CAPEC-592
Description: CAPEC-592: Stored XSS
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
Lisa Gnedt (SBA Research)
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://checkmk.com/werk/17998
N/A
https://github.com/sbaresearch/advisories/tree/82fd27e4570433464c30b35150b197db9a850f4e/2025/SBA-ADV-20250729-01_Checkmk_Cross_Site_Scripting
N/A
Hyperlink: https://checkmk.com/werk/17998
Resource: N/A
Hyperlink: https://github.com/sbaresearch/advisories/tree/82fd27e4570433464c30b35150b197db9a850f4e/2025/SBA-ADV-20250729-01_Checkmk_Cross_Site_Scripting
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/sbaresearch/advisories/tree/82fd27e4570433464c30b35150b197db9a850f4e/2025/SBA-ADV-20250729-01_Checkmk_Cross_Site_Scripting
exploit
Hyperlink: https://github.com/sbaresearch/advisories/tree/82fd27e4570433464c30b35150b197db9a850f4e/2025/SBA-ADV-20250729-01_Checkmk_Cross_Site_Scripting
Resource:
exploit
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://seclists.org/fulldisclosure/2025/Nov/0
N/A
Hyperlink: http://seclists.org/fulldisclosure/2025/Nov/0
Resource: N/A
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@checkmk.com
Published At:30 Oct, 2025 | 11:15
Updated At:03 Dec, 2025 | 20:06

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).

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.5HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.18.4HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 8.5
Base severity: HIGH
Vector:
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 8.4
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
CPE Matches
Checkmk GmbH
checkmk
>>checkmk>>Versions from 2.0.0(inclusive) to 2.3.0(exclusive)
cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:-:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p1:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p10:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p11:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p12:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p13:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p14:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p15:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p16:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p17:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p18:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p19:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p2:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p20:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p21:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p22:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p23:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p24:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p25:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p26:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p27:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p28:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p29:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p3:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p30:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p31:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p32:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p33:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p34:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p35:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p36:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p37:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p38:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p4:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p5:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p6:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p7:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p8:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.3.0
cpe:2.3:a:checkmk:checkmk:2.3.0:p9:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.4.0
cpe:2.3:a:checkmk:checkmk:2.4.0:-:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.4.0
cpe:2.3:a:checkmk:checkmk:2.4.0:p1:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.4.0
cpe:2.3:a:checkmk:checkmk:2.4.0:p10:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.4.0
cpe:2.3:a:checkmk:checkmk:2.4.0:p11:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.4.0
cpe:2.3:a:checkmk:checkmk:2.4.0:p12:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.4.0
cpe:2.3:a:checkmk:checkmk:2.4.0:p13:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.4.0
cpe:2.3:a:checkmk:checkmk:2.4.0:p2:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.4.0
cpe:2.3:a:checkmk:checkmk:2.4.0:p3:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.4.0
cpe:2.3:a:checkmk:checkmk:2.4.0:p4:*:*:*:*:*:*
Checkmk GmbH
checkmk
>>checkmk>>2.4.0
cpe:2.3:a:checkmk:checkmk:2.4.0:p5:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-80Secondarysecurity@checkmk.com
CWE-79Primarynvd@nist.gov
CWE ID: CWE-80
Type: Secondary
Source: security@checkmk.com
CWE ID: CWE-79
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://checkmk.com/werk/17998security@checkmk.com
Vendor Advisory
https://github.com/sbaresearch/advisories/tree/82fd27e4570433464c30b35150b197db9a850f4e/2025/SBA-ADV-20250729-01_Checkmk_Cross_Site_Scriptingsecurity@checkmk.com
Exploit
Third Party Advisory
http://seclists.org/fulldisclosure/2025/Nov/0af854a3a-2127-422b-91ae-364da2661108
Exploit
Mailing List
Third Party Advisory
https://github.com/sbaresearch/advisories/tree/82fd27e4570433464c30b35150b197db9a850f4e/2025/SBA-ADV-20250729-01_Checkmk_Cross_Site_Scripting134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit
Third Party Advisory
Hyperlink: https://checkmk.com/werk/17998
Source: security@checkmk.com
Resource:
Vendor Advisory
Hyperlink: https://github.com/sbaresearch/advisories/tree/82fd27e4570433464c30b35150b197db9a850f4e/2025/SBA-ADV-20250729-01_Checkmk_Cross_Site_Scripting
Source: security@checkmk.com
Resource:
Exploit
Third Party Advisory
Hyperlink: http://seclists.org/fulldisclosure/2025/Nov/0
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Mailing List
Third Party Advisory
Hyperlink: https://github.com/sbaresearch/advisories/tree/82fd27e4570433464c30b35150b197db9a850f4e/2025/SBA-ADV-20250729-01_Checkmk_Cross_Site_Scripting
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
Exploit
Third Party Advisory

Change History

0
Information is not available yet

Similar CVEs

54Records found
CVE-2020-15183
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-8.4||HIGH
EPSS-0.77% / 73.34%
||
7 Day CHG~0.00%
Published-17 Sep, 2020 | 20:10
Updated-04 Aug, 2024 | 13:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Reflected XSS leading to RCE in SoyCMS

SoyCMS 3.0.2 and earlier is affected by Reflected Cross-Site Scripting (XSS) which leads to Remote Code Execution (RCE) from a known vulnerability. This allows remote attackers to force the administrator to edit files once the adminsitrator loads a specially crafted webpage.

Action-Not Available
Vendor-soycms_projectinunosinsi
Product-soycmssoycms
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2020-7006
Matching Score-4
Assigner-Cybersecurity and Infrastructure Security Agency (CISA) Industrial Control Systems (ICS)
ShareView Details
Matching Score-4
Assigner-Cybersecurity and Infrastructure Security Agency (CISA) Industrial Control Systems (ICS)
CVSS Score-8.4||HIGH
EPSS-0.53% / 66.79%
||
7 Day CHG~0.00%
Published-19 Mar, 2020 | 19:18
Updated-04 Aug, 2024 | 09:18
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Systech Corporation NDS-5000 Terminal Server, NDS/5008 (8 Port, RJ45), firmware Version 02D.30. Successful exploitation of this vulnerability could allow information disclosure, limit system availability, and may allow remote code execution.

Action-Not Available
Vendor-systechn/a
Product-nds\/5008rm_firmwarends\/5008rmnds-5000_firmwarends-5000Systech Corporation NDS-5000 Terminal Server
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2024-51486
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.09% / 25.45%
||
7 Day CHG~0.00%
Published-11 Nov, 2024 | 19:44
Updated-14 Nov, 2024 | 19:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Stored Cross-Site Scripting in Ampache

Ampache is a web based audio/video streaming application and file manager. The vulnerability exists in the interface section of the Ampache menu, where users can change the "Custom URL - Favicon". This section is not properly sanitized, allowing for the input of strings that can execute JavaScript. This issue has been addressed in version 7.0.1 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

Action-Not Available
Vendor-ampacheampache
Product-ampacheampache
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2024-9158
Matching Score-4
Assigner-Tenable Network Security, Inc.
ShareView Details
Matching Score-4
Assigner-Tenable Network Security, Inc.
CVSS Score-8.4||HIGH
EPSS-0.31% / 53.71%
||
7 Day CHG~0.00%
Published-30 Sep, 2024 | 16:24
Updated-07 Oct, 2024 | 16:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
XSS

A stored cross site scripting vulnerability exists in Nessus Network Monitor where an authenticated, privileged local attacker could inject arbitrary code into the NNM UI via the local CLI.

Action-Not Available
Vendor-Tenable, Inc.
Product-nessus_network_monitorNessus Network Monitor
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • Previous
  • 1
  • 2
  • Next
Details not found