Wednesday 4 November
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AWS Amplify maplibre-gl-js-amplify stored XSS flaw tracked as CVE-2026-121652

Severity
Medium
Highest CVSS
4.8
Exploited
Not known
Sources
1

CVE-2026-121652 is a stored XSS vulnerability in the popup and geofence-control rendering of maplibre-gl-js-amplify, an open-source AWS Amplify library that integrates Amazon Location Service with MapLibre GL JS. Versions 4.0.2 and earlier are affected, as stated in AWS Security Bulletin 2026-167-AWS (published 11/03/2026). The article does not state a fixed version or CVSS score, so defenders should check their dependency versions and consult the bulletin for remediation guidance.

For security analysts · Written by AI from 1 source · Wrong?

What to do

  1. Check whether your web applications use maplibre-gl-js-amplify at version 4.0.2 or earlier.
  2. Follow the remediation guidance in AWS Security Bulletin 2026-167-AWS.

Written by AI from the sources, checked against them

Vulnerabilities

Full story timeline · 2 updates

  1. Tue 3 NovemberCVE-2026-121652 - Stored cross-site scripting (XSS) in AWS Amplify maplibre-gl-js-amplify popup renderingAWS Security Bulletins
  2. CVE-2026-121652 published, CVSS 4.8NVD

Who reported · 1 outlet

AWS Security Bulletins

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