CVE-2026-43644— podinfo 6.11.2 Reflected XSS via /echo Endpoint
Possible ATT&CK Techniques 2AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by CompromiseAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| stefanprodan | podinfo | ≤ 6.11.2 | affected |
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I. Basic Information for CVE-2026-43644
Vulnerability Information
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Vulnerability Title
podinfo 6.11.2 Reflected XSS via /echo Endpoint
Source: NVD (National Vulnerability Database)
Vulnerability Description
podinfo through 6.11.2 contains a reflected cross-site scripting vulnerability in the /echo and /api/echo endpoints where the echoHandler writes request body content directly to the response without setting explicit Content-Type or X-Content-Type-Options headers. Attackers can craft cross-origin HTML pages with auto-submitting forms containing script payloads in the request body, which are served as text/html due to Go's content type detection, allowing the reflected script to execute in the podinfo origin context when victims visit the attacker's page.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
podinfo 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
podinfo是Stefan Prodan个人开发者的一个Kubernetes的微服务模板。 podinfo 6.11.2及之前版本存在跨站脚本漏洞，该漏洞源于echoHandler在/echo和/api/echo端点中未设置明确的Content-Type或X-Content-Type-Options标头，允许攻击者通过跨源HTML页面实现反射型跨站脚本攻击。
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 |
|---|---|---|---|---|
| stefanprodan | podinfo | 0 ~ 6.11.2 | - |
II. Public POCs for CVE-2026-43644
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Other · 2News · 1
- Security-Advisories/CVE-2026-43644/cve-2026-43644.md at main · Niccolo10/Security-Advisories · GitHubtechnical-descriptionexploit
- podinfo 6.11.2 Reflected XSS via /echo Endpoint | Advisories | VulnCheckthird-party-advisory
- Security issue · Issue #474 · stefanprodan/podinfoissue-tracking
- https://nvd.nist.gov/vuln/detail/CVE-2026-43644
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V. Comments for CVE-2026-43644
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