Vulnerability Details CVE-2025-54478
Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 30.2%
CVSS Severity
CVSS v3 Score 7.2
References
Products affected by CVE-2025-54478
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cpe:2.3:a:mattermost:confluence:*