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CVE-2021-32670: Reflected cross-site scripting issue in Datasette

June 7, 2021 (updated November 18, 2024)

The ?_trace=1 debugging feature in Datasette does not correctly escape generated HTML, resulting in a reflected cross-site scripting vulnerability.

This vulnerability is particularly relevant if your Datasette installation includes authenticated features using plugins such as datasette-auth-passwords as an attacker could use the vulnerability to access protected data.

References

  • datasette.io/plugins/datasette-auth-passwords
  • github.com/advisories/GHSA-gff3-739c-gxfq
  • github.com/advisories/GHSA-xw7c-jx9m-xh5g
  • github.com/pypa/advisory-database/tree/main/vulns/datasette/PYSEC-2021-89.yaml
  • github.com/simonw/datasette
  • github.com/simonw/datasette/issues/1360
  • github.com/simonw/datasette/security/advisories/GHSA-xw7c-jx9m-xh5g
  • nvd.nist.gov/vuln/detail/CVE-2021-32670
  • owasp.org/www-community/attacks/xss/
  • pypi.org/project/datasette

Code Behaviors & Features

Detect and mitigate CVE-2021-32670 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 0.56.1

Fixed versions

  • 0.56.1

Solution

Upgrade to version 0.56.1 or above.

Impact 6.1 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

pypi/datasette/CVE-2021-32670.yml

Spotted a mistake? Edit the file on GitLab.

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