CVE-2023-2783mediumCWE-862

CVE-2023-2783: medium-severity vulnerability in Mattermost App Framework

App Framework does not checks for the secret provided in the incoming webhook request

Published · Updated

Follow this CVE+ Monitor Mattermost App Framework+ Monitor github.com/mattermost/mattermost-server/v6

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.3epss 0.4%
Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Affected products
Mattermost · Mattermost App Framework
Related CVEs — Mattermost App Framework

In the same product, most dangerous first.

CVE-2023-2784MEDIUMApps Framework allows install requests from regular members via an internal pathEPSS 0.3%