CVSS 3.1 Score 4.3 of 10 (medium)


Published Nov 27, 2023
Updated: Dec 1, 2023
CWE ID 200


CVE-2023-43754 is a vulnerability that affects Mattermost. It allows members to view permalink previews of archived channels even if the "Allow users to view archived channels" setting is disabled. The vulnerability has a risk score of 5 and a base severity of MEDIUM. The exploitability score is 2.8, and it requires low privileges and no user interaction. The attack vector is through the network, and there is no integrity impact. However, there is a low confidentiality impact. The vulnerability poses a potential danger to organizations as it allows unauthorized access to archived channel previews. To remediate the vulnerability, organizations should ensure that the "Allow users to view archived channels" setting is properly enabled or disabled based on their security requirements.


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