Information disclosure in Discourse - CVE-2023-22453
Published: January 5, 2023
Vulnerability identifier: #VU70706
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-22453
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application within the /u/username.json endpoint. A remote attacker can gain unauthorized access to sensitive information on the system.
Affected software
Discourse
How to mitigate CVE-2023-22453
Install updates from vendor's website.
Discourse - addressed in versions 2.8.14, 3.0.0 beta16