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Medium severity6.1NVD Advisory· Published May 7, 2021· Updated Jun 17, 2026

CVE-2021-32091

CVE-2021-32091

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
localstackPyPI	<= 0.12.10	—

Affected products

3

StackLift/LocalStackdescription
ghsa-coords
pkg:pypi/localstack
Range: <= 0.12.10
Localstack/localstack
cpe:2.3:a:localstack:localstack:0.12.6:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

5

blog.sonarsource.com/hack-the-stack-with-localstacknvdExploitThird Party AdvisoryWEB
portswigger.net/daily-swig/localstack-zero-day-vulnerabilities-chained-to-achieve-remote-takeover-of-local-instancesnvdExploitThird Party AdvisoryWEB
github.com/advisories/GHSA-37m5-42qp-4qprghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2021-32091ghsaADVISORY
github.com/pypa/advisory-database/tree/main/vulns/localstack/PYSEC-2021-102.yamlghsaWEB

News mentions

0

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