CVSS 3.1 Score 3.1 of 10 (low)


Published Jul 3, 2024
Updated: Jul 5, 2024
CWE ID 200


CVE-2024-39807 is a vulnerability that affects Mattermost versions 9.5.x <= 9.5.5 and 9.8.0. The vulnerability allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels due to improper sanitization of recipients in the webhook event. The affected products include various versions of wysvl-, wysvl_, wytk0S, wytk0T, wytk0Q, wytk0R, wytCZI, wytCZK, wytCZL, wytk0O, wytk0P, wytCZN, wytk0M, wytCZG, and wytCZH. The potential danger posed to an organization is low as the base severity is rated as LOW with a base score of 3.1 according to the responsible disclosure by Mattermost. To remediate the vulnerability, users should update their Mattermost software to a version that is not affected by this issue.

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