Vulnerability Details CVE-2025-14273
Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 with the Jira plugin enabled and Mattermost Jira plugin versions <=4.4.0 fail to enforce authentication and issue-key path restrictions in the Jira plugin, which allows an unauthenticated attacker who knows a valid user ID to issue authenticated GET and POST requests to the Jira server via crafted plugin payloads that spoof the user ID and inject arbitrary issue key paths. Mattermost Advisory ID: MMSA-2025-00555
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 25.9%
CVSS Severity
CVSS v3 Score 7.2
References
Products affected by CVE-2025-14273
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cpe:2.3:a:mattermost:mattermost_server:10.11.0
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cpe:2.3:a:mattermost:mattermost_server:10.11.1
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cpe:2.3:a:mattermost:mattermost_server:10.11.2
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cpe:2.3:a:mattermost:mattermost_server:10.11.3
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cpe:2.3:a:mattermost:mattermost_server:10.11.4
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cpe:2.3:a:mattermost:mattermost_server:10.11.5
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cpe:2.3:a:mattermost:mattermost_server:10.11.6
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cpe:2.3:a:mattermost:mattermost_server:10.11.7
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cpe:2.3:a:mattermost:mattermost_server:10.12.0
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cpe:2.3:a:mattermost:mattermost_server:10.12.1
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cpe:2.3:a:mattermost:mattermost_server:10.12.2
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cpe:2.3:a:mattermost:mattermost_server:10.12.3
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cpe:2.3:a:mattermost:mattermost_server:11.0.0
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cpe:2.3:a:mattermost:mattermost_server:11.0.1
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cpe:2.3:a:mattermost:mattermost_server:11.0.2
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cpe:2.3:a:mattermost:mattermost_server:11.0.3
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cpe:2.3:a:mattermost:mattermost_server:11.0.4
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cpe:2.3:a:mattermost:mattermost_server:11.0.5
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cpe:2.3:a:mattermost:mattermost_server:11.1.0