Vulnerability Database

309,083

Total vulnerabilities in the database

CVE-2023-26040

Discourse is an open-source discussion platform. Between versions 3.1.0.beta2 and 3.1.0.beta3 of the tests-passed branch, editing or responding to a chat message containing malicious content could lead to a cross-site scripting attack. This issue is patched in version 3.1.0.beta3 of the tests-passed branch. There are no known workarounds.

  • Published: Mar 17, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-26040
  • Severity: Medium
  • Exploit:

CVSS v3:

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

CWEs:

OWASP TOP 10:

Software From Fixed in
discourse / discourse 3.1.0-beta2 3.1.0-beta2.x