Improper access control in Discourse - CVE-2023-46130
Published: November 13, 2023
Vulnerability identifier: #VU83020
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-46130
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Civilized Discourse Construction Kit, Inc.
Affected software:
Discourse
Discourse
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to height value bypass in some theme components. A remote user can add svgs with unlimited height attributes and affect the availability of subsequent replies in a topic.
How to mitigate CVE-2023-46130
Install updates from vendor's website.