# CVE-2026-121652: Stored cross-site scripting (XSS) in AWS Amplify maplibre-gl-js-amplify popup rendering

> CVE-2026-121652: Stored cross-site scripting (XSS) in AWS Amplify maplibre-gl-js-amplify popup rendering. CVSS 5.4 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-121652
Last updated: 2026-11-04T14:10:09Z

- Published: 2026-11-03 18:42 UTC · Updated: 2026-11-04 14:10 UTC · Assigner: AMZN
- CVSS: 5.4 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS: 0.26%, 18th percentile (scored 2026-11-10)
- CISA KEV: no
- CWE: CWE-79

## 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.

## Affected vendors and products

- AWS: maplibre-gl-js-amplify

## Tracked companies

- [Amazon Web Services](https://rewindex.com/company/aws.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-121652)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-121652)
- [https://aws.amazon.com/security/security-bulletins/2026-167-aws/](https://aws.amazon.com/security/security-bulletins/2026-167-aws/)
- [https://github.com/aws-amplify/maplibre-gl-js-amplify/releases/tag/v4.0.3](https://github.com/aws-amplify/maplibre-gl-js-amplify/releases/tag/v4.0.3)
- [https://github.com/aws-amplify/maplibre-gl-js-amplify/security/advisories/GHSA-34v3-xxqp-g5g9](https://github.com/aws-amplify/maplibre-gl-js-amplify/security/advisories/GHSA-34v3-xxqp-g5g9)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-121652 · Markdown: https://rewindex.com/cve/CVE-2026-121652.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-121652 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-11T05:02:42.261Z