Mattermost Confluence plugin version <1.7.0 fails to properly escape user-controlled display names in HTML template rendering which allows authenticated Confluence users with malicious display names to execute arbitrary JavaScript in victim browsers via sending a specially crafte...
Product
Mattermost confluence vulnerabilities
14 published CVES affecting Mattermost confluence, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 14
- Critical
- 0
- High
- 4
- Medium
- 8
- Low
- 2
- Unscored
- 0
- CISA KEV
- 0
Latest Mattermost confluence CVEs
Newest publication first
-
MediumCVSS 5.4 EPSS 0.22%
-
MediumCVSS 5.3 EPSS 0.23%
Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to create channel subscription without proper access to the channel via API call to the create channel subscription endpoint.
-
MediumCVSS 5.3 EPSS 0.27%
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.
-
HighCVSS 7.5 EPSS 0.40%
Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to create channel subscription endpoint with an invalid request body.
-
CVE-2025-54463 Unexpected Input to Cloud Webhook endpoint Causes DoS in Mattermost Confluence Plugin
PublishedHighCVSS 7.5 EPSS 0.35%Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body.
-
MediumCVSS 5.0 EPSS 0.25%
Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the Confluence space which allows attackers to create a subscription for a Confluence space the user does not have access to via the create subscription endpoint.
-
MediumCVSS 4.0 EPSS 0.23%
Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to create a channel subscription without proper access to the channel via API call to the edit channel subscription endpoint.
-
LowCVSS 3.7 EPSS 0.24%
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.
-
MediumCVSS 5.9 EPSS 0.34%
Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body.
-
HighCVSS 7.5 EPSS 0.40%
Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to update channel subscription endpoint with an invalid request body.
-
CVE-2025-49221 Unauthenticated Access to Channel Subscription in Mattermost Confluence Plugin
PublishedLowCVSS 3.7 EPSS 0.28%Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to access subscription details without via API call to GET subscription endpoint.
-
CVE-2025-48731 Unauthorized Subscription Edit to Confluence Space in Mattermost Confluence Plugin
PublishedMediumCVSS 6.4 EPSS 0.21%Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the Confluence space which allows attackers to edit a subscription for a Confluence space the user does not have access for via edit subscription endpoint.
-
CVE-2025-44004 Unauthenticated Channel Subscription Creation in Mattermost Confluence Plugin
PublishedHighCVSS 7.2 EPSS 0.24%Mattermost Confluence Plugin version <1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel subscription without proper authorization via API call to the create channel subscription endpoint.
-
MediumCVSS 4.0 EPSS 0.24%
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 Channel Subscriptions details endpoint.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.