CVE-2021-21666
Quick assessment
Affected
Jenkins project Jenkins Kiuwan Plugin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Jenkins是Jenkins开源的一个应用软件。一个开源自动化服务器Jenkins提供了数百个插件来支持构建，部署和自动化任何项目。 Jenkins Kiuwan Plugin存在跨站脚本漏洞，该漏洞源于Jenkins Kiuwan Plugin 1.6.0版本及之前版本没有在表单验证端的错误消息中错误消息中转义查询参数，导致了跨站点脚本(XSS)漏洞。
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-21666
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins Kiuwan Plugin 1.6.0 and earlier does not escape query parameters in an error message for a form validation endpoint, resulting in a reflected cross-site scripting (XSS) vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Jenkins 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jenkins是Jenkins开源的一个应用软件。一个开源自动化服务器Jenkins提供了数百个插件来支持构建，部署和自动化任何项目。 Jenkins Kiuwan Plugin存在跨站脚本漏洞，该漏洞源于Jenkins Kiuwan Plugin 1.6.0版本及之前版本没有在表单验证端的错误消息中错误消息中转义查询参数，导致了跨站点脚本(XSS)漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Jenkins project | Jenkins Kiuwan Plugin | unspecified ~ 1.6.0 | - |
|
II. Public POCs for CVE-2021-21666
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-21666 (1)
-
https://www.jenkins.io/security/advisory/2021-06-10/#SECURITY-2367 x_refsource_CONFIRM
Mailing List Discussions for CVE-2021-21666 (1)
Same Patch Batch · Jenkins project · 2021-06-10 · 6 CVEs total
| CVE-2021-21665 | Jenkins 跨站请求伪造漏洞 | |
| CVE-2021-21663 | Jenkins 安全漏洞 | |
| CVE-2021-21664 | Jenkins 授权问题漏洞 | |
| CVE-2021-21662 | Jenkins 安全漏洞 | |
| CVE-2021-21661 | Jenkins 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-21666
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