CVE-2025-64525— Astro: URL manipulation via unsanitized headers leads to path-based middleware protections bypass, potential SSRF/cache-poisoning, CVE-2025-61925 bypass
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I. Basic Information for CVE-2025-64525
Vulnerability Information
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Vulnerability Title
Astro: URL manipulation via unsanitized headers leads to path-based middleware protections bypass, potential SSRF/cache-poisoning, CVE-2025-61925 bypass
Source: NVD (National Vulnerability Database)
Vulnerability Description
Astro is a web framework. In Astro versions 2.16.0 up to but excluding 5.15.5 which utilizeon-demand rendering, request headers `x-forwarded-proto` and `x-forwarded-port` are insecurely used, without sanitization, to build the URL. This has several consequences, the most important of which are: middleware-based protected route bypass (only via `x-forwarded-proto`), DoS via cache poisoning (if a CDN is present), SSRF (only via `x-forwarded-proto`), URL pollution (potential SXSS, if a CDN is present), and WAF bypass. Version 5.15.5 contains a patch.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Astro 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Astro是Astro开源的一个内容驱动网站的 web 框架。 Astro 2.16.0版本至5.15.5之前版本存在代码问题漏洞，该漏洞源于不安全使用x-forwarded-proto和x-forwarded-port请求标头，可能导致中间件保护路由绕过和服务器端请求伪造。
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
II. Public POCs for CVE-2025-64525
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Astro 2.16.0 to 5.15.5 contains a broken access control caused by insecure use of unsanitized x-forwarded-proto and x-forwarded-port headers in URL building, letting attackers bypass middleware protection, cause DoS, SSRF, and URL pollution, exploit requires crafted headers. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-64525.yaml | POC Details |
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IV. Related Vulnerabilities
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Same vendor: withastro
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Same weakness: CWE-918
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New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2025-64525
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