CVE-2026-121652 Stored cross-site scripting (XSS) in AWS Amplify maplibre-gl-js-amplify popup rendering
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-121652?
CVE-2026-121652 is a medium-severity vulnerability in AWS maplibre-gl-js-amplify, published on 3 Nov 2026.
Official description
Cross-site scripting (XSS) issue in AWS Amplify maplibre-gl-js-amplify before 4.0.3 might allow remote authenticated users to inject arbitrary web script or HTML via the (1) title, (2) address, or (3) place_name property in GeoJSON feature data rendered by popupRender, or the (4) geofenceId value rendered in AmplifyGeofenceControl.
To remediate this issue, users should upgrade to 4.0.3 or later.
Weakness: CWE-79
Which versions are affected by CVE-2026-121652?
How do I fix CVE-2026-121652?
No fix has been published for CVE-2026-121652 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-121652 being exploited?
There is no known exploitation of CVE-2026-121652 in the wild and no public exploit code.
Sources
Also known as GHSA-34v3-xxqp-g5g9.