Reusing a Nonce, Key Pair in Encryption in Discourse - CVE-2023-37467
Published: July 31, 2023 / Updated: December 17, 2025
Vulnerability identifier: #VU78763
CSH Severity: Medium
CVSS v4: 7.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-37467
CWE-ID: CWE-323
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the CSP (Content Security Policy) nonce reuse issue. A remote user can bypass CSP protection.
Affected software
Discourse
How to mitigate CVE-2023-37467
Install updates from vendor's website.
Discourse - update to 3.1.0 beta7