UpHeron
All vulnerabilities

Servers and applications

CVE-2021-37703

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta5, a user's read state for a topic such as the last read post number and the notification level is exposed.

Severity
Medium 4.3
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
  • Version 2.8.0-beta4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-37703
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-37703