CVEvulnerability

CVE-2023-37467

5.4 MEDIUM Published 2023-07-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-07-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
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-323, CWE-79

Description

Discourse is an open source discussion platform. Prior to version 3.1.0.beta7 of the `beta` and `tests-passed` branches, a CSP (Content Security Policy) nonce reuse vulnerability was discovered could allow cross-site scripting (XSS) attacks to bypass CSP protection for anonymous (i.e. unauthenticated) users. There are no known XSS vectors at the moment, but should one be discovered, this vulnerability would allow the XSS attack to bypass CSP and execute successfully. This vulnerability isn't applicable to logged-in users. Version 3.1.0.beta7 contains a patch. The stable branch doesn't have this vulnerability. A workaround to prevent the vulnerability is to disable Google Tag Manager, i.e., unset the `gtm container id` setting.

Affected configurations

• discourse discourse 1.1.0 • discourse discourse 1.2.0 • discourse discourse 1.3.0 • discourse discourse 1.4.0 • discourse discourse 1.5.0 • discourse discourse 1.6.0 • discourse discourse 1.7.0 • discourse discourse 1.8.0 • discourse discourse 1.9.0 • discourse discourse 2.0.0 • discourse discourse 2.1.0 • discourse discourse 2.2.0 • discourse discourse 2.3.0 • discourse discourse 2.4.0 • discourse discourse 2.5.0 • discourse discourse 2.6.0 • discourse discourse 2.7.0 • discourse discourse 2.8.0 • discourse discourse 2.9.0 • discourse discourse 3.0.0 • discourse discourse 3.1.0

Related

Weakness · CWE (2)

  • CWE-323 Reusing a Nonce, Key Pair in Encryption weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References