Information disclosure in Discourse - CVE-2023-23624
Published: January 27, 2023
Vulnerability identifier: #VU71600
CSH Severity: Low
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-2023-23624
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 an error in application. Using the exclude_tag param a use can filter out topics and deduce, which ones are using a specific hidden tag. This affects any Discourse site using hidden tags in public categories.
Affected software
Discourse
How to mitigate CVE-2023-23624
Install updates from vendor's website.
Discourse - update to 3.0.1