Moderate severityNVD Advisory· Published Aug 11, 2025· Updated Aug 11, 2025
Unauthorized Channel Subscription Edit in Mattermost Confluence Plugin
CVE-2025-53910
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/mattermost/mattermost-plugin-confluenceGo | < 1.5.0 | 1.5.0 |
Affected products
3- ghsa-coords2 versionspkg:golang/github.com/mattermost/mattermost-plugin-confluencepkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Tumbleweed
< 1.5.0+ 1 more
- (no CPE)range: < 1.5.0
- (no CPE)range: < 0.0.20250818T190335-1.1
- Range: 0
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-v6c8-g53h-mc2hghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-53910ghsaADVISORY
- mattermost.com/security-updatesghsaWEB
News mentions
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