CVE-2026-84673
Quick assessment
Affected
Jenkins Project Jenkins Customizable Header 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 Customizable Header Plugin是Jenkins组织的一个可自定义界面头部区域的插件。 Jenkins Customizable Header Plugin 295.v2544b_ca_19b_97及之前版本存在跨站脚本漏洞，该漏洞源于通过Stapler数据绑定覆盖插件外观配置，允许攻击者配置包含内联JavaScript的自定义SVG图标，导致存储型跨站脚本（XSS）漏洞。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Jenkins Project | Jenkins Customizable Header Plugin | ≤ 295.v2544b_ca_19b_97 |
affected |
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I. Basic Information for CVE-2026-84673
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins Customizable Header Plugin 295.v2544b_ca_19b_97 and earlier allows overwriting the plugin's appearance configuration through Stapler data binding, allowing attackers to configure a custom SVG icon containing inline JavaScript, resulting in a stored 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 Customizable Header Plugin 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jenkins Customizable Header Plugin是Jenkins组织的一个可自定义界面头部区域的插件。 Jenkins Customizable Header Plugin 295.v2544b_ca_19b_97及之前版本存在跨站脚本漏洞，该漏洞源于通过Stapler数据绑定覆盖插件外观配置，允许攻击者配置包含内联JavaScript的自定义SVG图标，导致存储型跨站脚本（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 Customizable Header Plugin | 0 ~ 295.v2544b_ca_19b_97 | - |
|
II. Public POCs for CVE-2026-84673
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Jenkins Project · 2026-09-02 · 33 CVEs total
| CVE-2026-84659 | Jenkins Script Security Plugin 授权问题漏洞 | |
| CVE-2026-84645 | Jenkins 输入验证错误漏洞 | |
| CVE-2026-84646 | Jenkins 反序列化注入漏洞 | |
| CVE-2026-84647 | Jenkins 反序列化注入漏洞 | |
| CVE-2026-84648 | Jenkins 跨站脚本漏洞 | |
| CVE-2026-84650 | Jenkins 反序列化注入漏洞 | |
| CVE-2026-84649 | Jenkins 跨站请求伪造漏洞 | |
| CVE-2026-84651 | Jenkins 权限许可和访问控制问题漏洞 | |
| CVE-2026-84653 | Jenkins 安全漏洞 | |
| CVE-2026-84652 | Jenkins 安全漏洞 | |
| CVE-2026-84654 | Jenkins 输入验证错误漏洞 | |
| CVE-2026-84655 | Jenkins 输出处理不当漏洞 | |
| CVE-2026-84656 | Jenkins 授权问题漏洞 | |
| CVE-2026-84657 | Jenkins 授权问题漏洞 | |
| CVE-2026-84658 | Jenkins Script Security Plugin 信息泄露漏洞 | |
| CVE-2026-84660 | Jenkins Pipeline: Build Step Plugin 授权问题漏洞 | |
| CVE-2026-84677 | Jenkins update-center2 跨站脚本漏洞 | |
| CVE-2026-84661 | Jenkins Pipeline: Build Step Plugin 授权问题漏洞 | |
| CVE-2026-84662 | Jenkins LDAP Plugin 输入验证错误漏洞 | |
| CVE-2026-84663 | Jenkins Pipeline: Groovy Libraries Plugin 跨站请求伪造漏洞 |
Showing top 20 of 33 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-84673
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