When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.
CVE ID: CVE-2023-2791
CVSS Base Severity: MEDIUM
CVSS Base Score: 4.3
Vendor: Mattermost
Product: Mattermost
EPSS Score: 0.05% (probability of being exploited)
EPSS Percentile: 20.78% (scored less or equal to compared to others)
EPSS Date: 2025-02-03 (when was this score calculated)