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CVE-2025-58067— Basecamp's Google Sign-In for Rails allowed redirects to protocol-relative URI

Quick assessment

Affected
basecamp google_sign_in
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.

Google Sign-In for Rails是Basecamp开源的一个使用Google for Rails应用程序登录软件。 Google Sign-In for Rails 1.3.1之前版本存在输入验证错误漏洞，该漏洞源于proceed_to值可能被重定向到其他源，可能导致重定向攻击。

CVSS 4.2 · Medium EPSS 0.23% · P12
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I. Basic Information for CVE-2025-58067

Vulnerability Information
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Vulnerability Title
Basecamp's Google Sign-In for Rails allowed redirects to protocol-relative URI
Source: CVE Program / CVE List V5
Vulnerability Description
Basecamp's Google Sign-In adds Google sign-in to Rails applications. Prior to version 1.3.1, it is possible to redirect a user to another origin if the "proceed_to" value in the session store is set to a protocol-relative URL. Normally the value of this URL is only written and read by the library or the calling application. However, it may be possible to set this session value from a malicious site with a form submission. Any Rails applications using the google_sign_in gem may be vulnerable, if this vector can be chained with another attack that is able to modify the OAuth2 request parameters. This issue has been patched in version 1.3.1. There are no workarounds.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
Google Sign-In for Rails 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Sign-In for Rails是Basecamp开源的一个使用Google for Rails应用程序登录软件。 Google Sign-In for Rails 1.3.1之前版本存在输入验证错误漏洞，该漏洞源于proceed_to值可能被重定向到其他源，可能导致重定向攻击。
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
basecamp google_sign_in < 1.3.1 -

II. Public POCs for CVE-2025-58067

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III. Intelligence Information for CVE-2025-58067

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Patches & Fixes for CVE-2025-58067 (1)

IV. Related Vulnerabilities

Same product: google_sign_in
Same vendor: basecamp
Same weakness: CWE-601

V. Comments for CVE-2025-58067

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