What is GHSA-v6c8-g53h-mc2h?

GHSA-v6c8-g53h-mc2h is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost Confluence Plugin has Missing Authorization vulnerability

Which CVE IDs does GHSA-v6c8-g53h-mc2h cover?

GHSA-v6c8-g53h-mc2h covers the following CVE IDs: CVE-2025-53910. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v6c8-g53h-mc2h?

GHSA-v6c8-g53h-mc2h has a CVSS v3 base score of 4.0, published by GitHub Security Advisories.

Which products are affected by GHSA-v6c8-g53h-mc2h?

GHSA-v6c8-g53h-mc2h affects 1 product, including: go/github.com/mattermost/mattermost-plugin-confluence:\u003c 1.5.0.

GHSA-v6c8-g53h-mc2hMediumCVSS 4.0

Mattermost Confluence Plugin has Missing Authorization vulnerability

Vendor

GitHub Security Advisories

Published

August 11, 2025

Last Modified

August 11, 2025

🔗 CVE IDs covered (1)

CVE-2025-53910 →

📋 Description

Mattermost Confluence Plugin versions < 1.5.0 fail to check user access to the channel, allowing attackers to create a channel subscription without proper access to the channel via an API call to the edit channel subscription endpoint.

🎯 Affected products1

go/github.com/mattermost/mattermost-plugin-confluence:< 1.5.0

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-53910
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-v6c8-g53h-mc2h