Vulnerability Database

308,926

Total vulnerabilities in the database

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.

  • Published: Aug 13, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-37703
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:P/I:N/A:N

CWEs:

Software From Fixed in
discourse / discourse 2.8.0-beta1 2.8.0-beta1.x
discourse / discourse 2.8.0-beta2 2.8.0-beta2.x
discourse / discourse 2.8.0-beta3 2.8.0-beta3.x
discourse / discourse - 2.7.8
discourse / discourse 2.8.0-beta4 2.8.0-beta4.x