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MC
Product
Mattermost Confluence Plugin
by Mattermost · last CVE Feb 6, 2026
14
CVEs
0
On KEV
7.5
Max CVSS
0
New 30D
Vulnerabilities14In the news0Timeline
Severity mix
Critical 0High 4Medium 8Low 2
Severity
All severities14Critical0High4Medium8Low2
Exploitation
On CISA KEV0Exploited in the wild0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2025-54525
7.5
0%
Aug 11
Unexpected input to Create Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-54463
7.5
0%
Aug 11
Unexpected Input to Cloud Webhook endpoint Causes DoS in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-52931
7.5
0%
Aug 11
Unexpected input to Update Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-44004
7.2
0%
Aug 11
Unauthenticated Channel Subscription Creation in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-48731
6.4
0%
Aug 11
Unauthorized Subscription Edit to Confluence Space in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-53514
5.9
0%
Aug 11
Unexpected Input to Server Webhook endpoint Causes DoS in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-13523
5.4
0%
Feb 6
Cross-Site Scripting (XSS) via Unescaped Display Names in Mattermost Confluence Plugin OAuth2 Flow
Affected: before 1.7.0
CVE-2025-8285
5.3
0%
Aug 11
Unauthorized Channel Subscription Creation in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-54478
5.3
0%
Aug 11
Unauthenticated Channel Subscription Edit in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-54458
5.0
0%
Aug 11
Unauthorized Subscription Creation to Confluence Space in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-53910
4.0
0%
Aug 11
Unauthorized Channel Subscription Edit in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-44001
4.0
0%
Aug 11
Unauthorized Channel Subscription Read in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-53857
3.7
0%
Aug 11
Lack of Authorization on Get Channel Subscriptions for Autocomplete in Mattermost Confluence Plugin
Affected: before 1.5.0
CVE-2025-49221
3.7
0%
Aug 11
Unauthenticated Access to Channel Subscription in Mattermost Confluence Plugin
Affected: before 1.5.0
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