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CVE-2024-21636— view_component Cross-site Scripting vulnerability

Quick assessment

Affected
ViewComponent view_component
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.

ViewComponent是用于在 Ruby on Rails 中构建可重用、可测试和封装视图组件的框架。 ViewComponent 3.9.0之前版本存在跨站脚本漏洞，该漏洞源于view_component-gem组件存在跨站脚本（XSS）漏洞。

CVSS 6.1 · Medium EPSS 0.50% · P41
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I. Basic Information for CVE-2024-21636

Vulnerability Information
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Vulnerability Title
view_component Cross-site Scripting vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
view_component is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. Versions prior to 3.9.0 and 2.83.0 have a cross-site scripting vulnerability that has the potential to impact anyone rendering a component directly from a controller with the view_component gem. Note that only components that define a `#call` method (i.e. instead of using a sidecar template) are affected. The return value of the `#call` method is not sanitized and can include user-defined content. In addition, the return value of the `#output_postamble` methodis not sanitized, which can also lead to cross-site scripting issues. Versions 3.9.0 and 2.83.0 have been released and fully mitigate both the `#call` and the `#output_postamble` vulnerabilities. As a workaround, sanitize the return value of `#call`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
ViewComponent 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ViewComponent是用于在 Ruby on Rails 中构建可重用、可测试和封装视图组件的框架。 ViewComponent 3.9.0之前版本存在跨站脚本漏洞，该漏洞源于view_component-gem组件存在跨站脚本（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
ViewComponent view_component >= 3.0.0, < 3.9.0 -

II. Public POCs for CVE-2024-21636

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III. Intelligence Information for CVE-2024-21636

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Patches & Fixes for CVE-2024-21636 (4)

Vendor Advisories for CVE-2024-21636 (1)

IV. Related Vulnerabilities

Same product: view_component
Same vendor: ViewComponent
Same weakness: CWE-79

V. Comments for CVE-2024-21636

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