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CVE-2023-47635— Decidim vulnerable to possible CSRF attack at questionnaire templates preview

Quick assessment

Affected
decidim decidim
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.

Decidim是一个参与式民主框架，用 Ruby on Rails 编写。 Decidim 0.23.0到0.27.4版本存在安全漏洞，该漏洞源于questionnaire templates preview中可能存在跨站请求伪造攻击。

CVSS 4.5 · Medium EPSS 0.31% · P23

Possible ATT&CK Techniques 1 AI

T1556 · Modify Authentication Process
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I. Basic Information for CVE-2023-47635

Vulnerability Information
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Vulnerability Title
Decidim vulnerable to possible CSRF attack at questionnaire templates preview
Source: CVE Program / CVE List V5
Vulnerability Description
Decidim is a participatory democracy framework. Starting in version 0.23.0 and prior to versions 0.27.5 and 0.28.0, the CSRF authenticity token check is disabled for the questionnaire templates preview. The issue does not imply a serious security thread as you need to have access also to the session cookie in order to see this resource. This URL does not allow modifying the resource but it may allow attackers to gain access to information which was not meant to be public. The issue is fixed in version 0.27.5 and 0.28.0. As a workaround, disable the templates functionality or remove all available templates.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Decidim 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Decidim是一个参与式民主框架，用 Ruby on Rails 编写。 Decidim 0.23.0到0.27.4版本存在安全漏洞，该漏洞源于questionnaire templates preview中可能存在跨站请求伪造攻击。
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
decidim decidim >= 0.23.0, < 0.27.5 -

II. Public POCs for CVE-2023-47635

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III. Intelligence Information for CVE-2023-47635

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Patches & Fixes for CVE-2023-47635 (4)

Vendor Advisories for CVE-2023-47635 (1)

Other References for CVE-2023-47635 (3)

Same Patch Batch · decidim · 2024-02-20 · 4 CVEs total

CVE-2023-51447 6.3 MEDIUM Decidim vulnerable to cross-site scripting (XSS) in the dynamic file uploads
CVE-2023-48220 5.7 MEDIUM Decidim's devise_invitable gem vulnerable to circumvention of invitation token expiry peri
CVE-2023-47634 3.1 LOW Decidim has race condition in Endorsements

IV. Related Vulnerabilities

Same product: decidim
Same vendor: decidim
Same weakness: CWE-918

V. Comments for CVE-2023-47635

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