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CVE-2025-4318— Input validation issue in AWS Amplify Studio UI component properties

Quick assessment

Affected
Amazon Amplify Studio
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.

Amplify Codegen UI是AWS Amplify开源的一个生成用于AWS Amplify项目的React组件。 Amplify Codegen UI存在安全漏洞，该漏洞源于AWS Amplify Studio UI组件属性表达式缺少输入验证，可能导致执行任意JavaScript代码。

CVSS 9.0 · Critical EPSS 0.98% · P61

Possible ATT&CK Techniques 1 AI

T1195.002 · Compromise Software Supply Chain

Affected Version Matrix 1

VendorProduct Version RangeStatus
Amazon Amplify Studio 0.1.0< 2.20.3 affected
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I. Basic Information for CVE-2025-4318

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Input validation issue in AWS Amplify Studio UI component properties
Source: CVE Program / CVE List V5
Vulnerability Description
The AWS Amplify Studio UI component property expressions in the aws-amplify/amplify-codegen-ui package lack input validation. This could potentially allow an authenticated user who has access to create or modify components to run arbitrary JavaScript code during the component rendering and build process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
动态执行代码中指令转义处理不恰当(Eval注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Amplify Codegen UI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amplify Codegen UI是AWS Amplify开源的一个生成用于AWS Amplify项目的React组件。 Amplify Codegen UI存在安全漏洞，该漏洞源于AWS Amplify Studio UI组件属性表达式缺少输入验证，可能导致执行任意JavaScript代码。
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
Amazon Amplify Studio 0.1.0 ~ 2.20.3 -

II. Public POCs for CVE-2025-4318

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8234 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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Exploit chain & mitigation
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III. Intelligence Information for CVE-2025-4318

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IV. Related Vulnerabilities

Same vendor: Amazon
Same weakness: CWE-95

V. Comments for CVE-2025-4318

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