CVE-2026-121652

medium

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.

References

https://github.com/aws-amplify/maplibre-gl-js-amplify/security/advisories/GHSA-34v3-xxqp-g5g9

https://github.com/aws-amplify/maplibre-gl-js-amplify/releases/tag/v4.0.3

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-116136

https://aws.amazon.com/security/security-bulletins/2026-167-aws/

Details

Source: Mitre, NVD

Published: 2026-11-03

Updated: 2026-11-04

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 4.8

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Severity: Medium

EPSS

EPSS: 0.00264