How severe is CVE-2025-4318?

CVE-2025-4318 has a CVSS 4.0 base score of 9.5, rated critical severity.

Is CVE-2025-4318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-4318?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-4318 have an EU (EUVD) identifier?

Yes. CVE-2025-4318 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13500.

When was CVE-2025-4318 published?

CVE-2025-4318 was published on 2025-05-05 and last updated on 2026-06-17.

CVE-2025-4318

CVE-2025-4318 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-95.

Key facts

Severity: Critical (CVSS 4.0 base score 9.5)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13500
Weakness: CWE-95
Published: 2025-05-05
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-4318?: 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.
How severe is CVE-2025-4318?: CVE-2025-4318 has a CVSS 4.0 base score of 9.5, rated critical severity.
Is CVE-2025-4318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-4318?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-4318 have an EU (EUVD) identifier?: Yes. CVE-2025-4318 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13500.
When was CVE-2025-4318 published?: CVE-2025-4318 was published on 2025-05-05 and last updated on 2026-06-17.

References

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