What’s Vulnerable › Vulnerabilities

CVE-2021-32091

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-05-07 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• Localstack: 0.12.6

References

• https://blog.sonarsource.com/hack-the-stack-with-localstack
• https://portswigger.net/daily-swig/localstack-zero-day-vulnerabilities-chained-to-achieve-remote-takeover-of-local-instances
• https://blog.sonarsource.com/hack-the-stack-with-localstack
• https://portswigger.net/daily-swig/localstack-zero-day-vulnerabilities-chained-to-achieve-remote-takeover-of-local-instances

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