CVE-2026-121652

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    CVE-2026-121652

    Published: 3 Nov 2026Last Modified: 5 Nov 2026

    Summary: Stored cross-site scripting (XSS) in AWS Amplify maplibre-gl-js-amplify popup rendering

    Details: 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://aws.amazon.com/security/security-bulletins/2026-167-aws/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121652.json, https://github.com/aws-amplify/maplibre-gl-js-amplify/security/advisories/GHSA-34v3-xxqp-g5g9, https://nvd.nist.gov/vuln/detail/CVE-2026-121652, https://github.com/aws-amplify/maplibre-gl-js-amplify/releases/tag/v4.0.3

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -904fb9c6ed71fc63090ee3258c1c61e1e3346d6e

    Affected versions

    v4.0.2
    v4.0.1
    v4.0.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-121652 | CVE-DB