CVSS 3.1
4.0 mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:NCVE-2025-53910
Medium (4.0) in mattermost confluence. EPSS 0.2% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost-plugin-confluence 1.5.0.
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.
Severity
- EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
- CWE
- CWE-862
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:confluence
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-v6c8-g53h-mc2h | Go | github.com/mattermost/mattermost-plugin-confluence | <1.5.0 | 1.5.0 |
| GO-2025-3869 | Go | github.com/mattermost/mattermost-plugin-confluence | <1.5.0 | 1.5.0 |