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TI-2021-12044 Aliases CVE-2021-32091GHSA-37m5-42qp-4qpr

A Cross-site scripting (XSS) vulnerability exists in StackLift LocalStack 0.12.6.

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

A Cross-site scripting (XSS) vulnerability exists in StackLift LocalStack 0.12.6.

Why it matters now

EPSS 0.00846 58th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—localstack (PyPI)up to 0.12.10—No fix listedGHSA-37m5-42qp-4qpr
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • localstack (PyPI) Vendor— Affected up to 0.12.10 Fixed in — No fix listed GHSA-37m5-42qp-4qpr

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:localstack:localstack:0.12.6:*:*:*:*:*:*:*0.12.6Vulnerablelocalstack
  • cpe:2.3:a:localstack:localstack:0.12.6:*:*:*:*:*:*:* Versions 0.12.6 Vulnerable ·localstack

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-32091
  2. 2026-10-03 Alias added: GHSA-37m5-42qp-4qpr

References

Exploit 2

Advisory 2

Other 1

  • TI-2021-12043 The dashboard component of StackLift LocalStack 0.12.6 allows attackers to inject… CVSS 3.1CRITICAL 9.8
  • TI-2023-26017 Missing SSL certificate validation in localstack v2.3.2 allows attackers to eavesdrop on… CVSS 3.1HIGH 7.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences