What is GHSA-3cg3-3mmr-w8hj?

GHSA-3cg3-3mmr-w8hj is a security advisory published by GitHub Security Advisories with High severity. Mattermost Confluence Plugin has Improper Validation of Specified Type of Input

Which CVE IDs does GHSA-3cg3-3mmr-w8hj cover?

GHSA-3cg3-3mmr-w8hj covers the following CVE IDs: CVE-2025-54525. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3cg3-3mmr-w8hj?

GHSA-3cg3-3mmr-w8hj has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

Which products are affected by GHSA-3cg3-3mmr-w8hj?

GHSA-3cg3-3mmr-w8hj affects 1 product, including: go/github.com/mattermost/mattermost-plugin-confluence:\u003c 1.5.0.

GHSA-3cg3-3mmr-w8hjHighCVSS 7.5

Mattermost Confluence Plugin has Improper Validation of Specified Type of Input

Vendor

GitHub Security Advisories

Published

August 11, 2025

Last Modified

August 12, 2025

🔗 CVE IDs covered (1)

CVE-2025-54525 →

📋 Description

Mattermost Confluence Plugin versions < 1.5.0 fail to handle unexpected request bodies, allowing attackers to crash the plugin via constant hits to the create channel subscription endpoint with an invalid request body.

🎯 Affected products1

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-54525
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-3cg3-3mmr-w8hj