Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.
CVE ID: CVE-2023-1777
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.5
Vendor: Mattermost
Product: Mattermost
EPSS Score: 0.07% (probability of being exploited)
EPSS Percentile: 34.14% (scored less or equal to compared to others)
EPSS Date: 2025-02-03 (when was this score calculated)