All vulnerabilities

Servers and applications

CVE-2021-37693

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta4, when adding additional email addresses to an existing account on a Discourse site an email token is generated as part of the email verification process. Deleting the additional email address does not invalidate an unused token which can then be used in other contexts, including…

Severity
High 7.5
Published
13 Aug 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.7.8
Sources
NVD

Affected software

SoftwareAffected versions
DiscourseServers and applications · cpe:a:discourse:discourse
  • Every version before 2.7.8
  • Version 2.8.0-beta1
  • Version 2.8.0-beta2
  • Version 2.8.0-beta3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-37693
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-37693