What is GHSA-j66h-xhpr-7q5g?

GHSA-j66h-xhpr-7q5g is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost Confluence Plugin has Missing Authorization vulnerability

Which CVE IDs does GHSA-j66h-xhpr-7q5g cover?

GHSA-j66h-xhpr-7q5g covers the following CVE IDs: CVE-2025-54458. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-j66h-xhpr-7q5g?

GHSA-j66h-xhpr-7q5g has a CVSS v3 base score of 5.0, published by GitHub Security Advisories.

Which products are affected by GHSA-j66h-xhpr-7q5g?

GHSA-j66h-xhpr-7q5g affects 1 product, including: go/github.com/mattermost/mattermost-plugin-confluence:\u003c 1.5.0.

GHSA-j66h-xhpr-7q5gMediumCVSS 5.0

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-2025-54458 →

📋 Description

Mattermost Confluence Plugin versions < 1.5.0 fails to check user access of the Confluence space, allowing attackers to create a subscription to a Confluence space the user does not have access to via the create subscription endpoint.

🎯 Affected products1

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-54458
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-j66h-xhpr-7q5g