All vulnerabilities

Servers and applications

CVE-2023-43659

Discourse is an open source platform for community discussion. Improper escaping of user input allowed for Cross-site Scripting attacks via the digest email preview UI. This issue only affects sites with CSP disabled. This issue has been patched in the 3.1.1 stable release as well as the 3.2.0.beta1 release. Users are advised to upgrade. Users unable to upgrade should ensure CSP is enabled on…

Severity
Medium 5.4
Published
16 Oct 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
DiscourseServers and applications · cpe:a:discourse:discourse
  • Every version up to 3.1.1
  • Version 3.2.0-beta1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-43659
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-43659