Medium

Cross Site Scripting (XSS) in Quokka

  • Disclosed: 16.08.2021
  • Updated: 11.10.2026 11:20

Cross Site Scripting (XSS) in Quokka v0.4.0 allows remote attackers to execute arbitrary code via the 'Username' parameter in the component 'quokka/admin/actions.py'.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) quokka <= 0.4.0 no fix

References

CVSS score 6.1/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-79
Platform
Python (PyPI)
Package
quokka
Disclosed
16.08.2021
Updated
11.10.2026 11:20

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2021-143 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-5m69-3chg-6f8m - CC BY 4.0

Vulnerability history: quokka

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
3
First → latest
08.2021 08.2021
Without a fix
3
Exploited in attacks
0

Severity breakdown

  • Critical 2
  • Medium 1

Disclosures per year

  1. 2021: 3
  2. 2022: 0
  3. 2023: 0
  4. 2024: 0
  5. 2025: 0
  6. 2026: 0
  1. Critical · 9.8 CVE-2020-18705 <= 0.4.0 no fix
  2. Critical · 9.8 CVE-2020-18703 <= 0.4.0 no fix
  3. Cross Site Scripting (XSS) in Quokka this entry
    Medium · 6.1 CVE-2020-18702 <= 0.4.0 no fix

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