UpHeron
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Servers and applications

CVE-2020-8820

An XSS Vulnerability exists in Webmin 1.941 and earlier affecting the Cluster Shell Commands Endpoint. A user may enter any XSS Payload into the Command field and execute it. Then, after revisiting the Cluster Shell Commands Menu, the XSS Payload will be rendered and executed.

Severity
Medium 5.4
Published
12 Oct 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
WebminServers and applications · cpe:a:webmin:webmin
  • Every version up to 1.941

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-8820
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-8820