Vulnerability Database

309,083

Total vulnerabilities in the database

CVE-2022-23548

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta16 on the beta and tests-passed branches, parsing posts can be susceptible to regular expression denial of service (ReDoS) attacks. This issue is patched in versions 2.8.14 and 2.9.0.beta16. There are no known workarounds.

  • Published: Jan 5, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2022-23548
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWEs:

OWASP TOP 10:

Software From Fixed in
discourse / discourse 2.9.0-beta1 2.9.0-beta1.x
discourse / discourse 2.9.0-beta2 2.9.0-beta2.x
discourse / discourse 2.9.0-beta3 2.9.0-beta3.x
discourse / discourse 2.9.0-beta4 2.9.0-beta4.x
discourse / discourse 2.9.0-beta5 2.9.0-beta5.x
discourse / discourse 2.9.0-beta7 2.9.0-beta7.x
discourse / discourse 2.9.0-beta8 2.9.0-beta8.x
discourse / discourse 2.9.0-beta6 2.9.0-beta6.x
discourse / discourse 2.9.0-beta10 2.9.0-beta10.x
discourse / discourse 2.9.0-beta11 2.9.0-beta11.x
discourse / discourse 2.9.0-beta12 2.9.0-beta12.x
discourse / discourse 2.9.0-beta13 2.9.0-beta13.x
discourse / discourse 2.9.0-beta14 2.9.0-beta14.x
discourse / discourse 3.0.0-beta15 3.0.0-beta15.x
discourse / discourse - 2.8.14