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CVE-2023-39345— Unauthorized Access to Private Fields in User Registration API in strapi

Quick assessment

Affected
strapi strapi
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Strapi是一套开源的内容管理系统（CMS）。 Strapi 4.13.1之前版本存在授权问题漏洞，该漏洞源于没有正确限制对用户注册端点中标记为私有字段的访问。

CVSS 7.6 · High EPSS 0.59% · P46

Possible ATT&CK Techniques 1 AI

T1136.001 · Local Account
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I. Basic Information for CVE-2023-39345

Vulnerability Information
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Vulnerability Title
Unauthorized Access to Private Fields in User Registration API in strapi
Source: CVE Program / CVE List V5
Vulnerability Description
strapi is an open-source headless CMS. Versions prior to 4.13.1 did not properly restrict write access to fielded marked as private in the user registration endpoint. As such malicious users may be able to errantly modify their user records. This issue has been addressed in version 4.13.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Strapi 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Strapi是一套开源的内容管理系统（CMS）。 Strapi 4.13.1之前版本存在授权问题漏洞，该漏洞源于没有正确限制对用户注册端点中标记为私有字段的访问。
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
strapi strapi >= 4.0.0, < 4.13.1 -

II. Public POCs for CVE-2023-39345

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7301 chars
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III. Intelligence Information for CVE-2023-39345

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Vendor Advisories for CVE-2023-39345 (1)

IV. Related Vulnerabilities

Same product: strapi
Same vendor: strapi
Same weakness: CWE-287

V. Comments for CVE-2023-39345

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