CVEvulnerability

CVE-2023-43659

5.4 MEDIUM Published 2023-10-16 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-10-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.0 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79

Description

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 the forum.

Affected configurations

• discourse discourse (<= 3.1.1) • discourse discourse 3.2.0

Related

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References