Review reviewCritical

CVE-2025-4318

Amazon Amplify Studio

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.

CVSS
9
EPSS
0.92%
57.0% percentile
CISA KEV
Not listed
Published
2025.05.06
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.92%
Technical severityCVSS 9

Vulnerability overview

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.

Affected product and versions

Product
Amazon Amplify Studio
Affected versions
>= 0.1.0 < 2.20.3
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Amazon Amplify Studio and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE
CWE-95
CVE-2025-4318 — Amazon Amplify Studio | SECUFOCUS NOW