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CVE-2025-53857
Good to know:
Date: August 11, 2025
Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to get channel subscription details without proper access to the channel via API call to the GET autocomplete/GetChannelSubscriptions endpoint.
Severity Score
Severity Score
Weakness Type (CWE)
Missing Authorization
CWE-862Top Fix
Upgrade Version
Upgrade to version github.com/mattermost/mattermost-plugin-confluence - v1.5.0
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | NONE |
| Availability (A): | NONE |