UpHeron
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Servers and applications

CVE-2021-43793

Discourse is an open source discussion platform. In affected versions a vulnerability in the Polls feature allowed users to vote multiple times in a single-option poll. The problem is patched in the latest tests-passed, beta and stable versions of Discourse

Severity
Medium 4.3
Published
1 Dec 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.7.11
Sources
NVD

Affected software

SoftwareAffected versions
DiscourseServers and applications · cpe:a:discourse:discourse
  • Version 2.8.0-beta7
  • Version 2.8.0-beta6
  • Version 2.8.0-beta5
  • Version 2.8.0-beta4
All 8 release lines
  • Every version before 2.7.11
  • Version 2.8.0-beta1
  • Version 2.8.0-beta2
  • Version 2.8.0-beta3
  • Version 2.8.0-beta4
  • Version 2.8.0-beta5
  • Version 2.8.0-beta6
  • Version 2.8.0-beta7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-43793
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-43793