What is GHSA-jx93-pf6x-874r?

GHSA-jx93-pf6x-874r is a security advisory published by GitHub Security Advisories with Low severity. Mattermost versions 11.5.x \u003c= 11.5.1, 10.11.x \u003c= 10.11.13 fail to escape some variables that...

Which CVE IDs does GHSA-jx93-pf6x-874r cover?

GHSA-jx93-pf6x-874r covers the following CVE IDs: CVE-2026-3495. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jx93-pf6x-874r?

GHSA-jx93-pf6x-874r has a CVSS v3 base score of 3.8, published by GitHub Security Advisories.

GHSA-jx93-pf6x-874rLowCVSS 3.8

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to escape some variables that...

Vendor

GitHub Security Advisories

Published

May 18, 2026

Last Modified

May 18, 2026

🔗 CVE IDs covered (1)

CVE-2026-3495 →

📋 Description

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to escape some variables that could contain malicious content during error page composition which allows an attacker with access to edit some site configuration to execute some malicious code via injecting some JS as part of those values.. Mattermost Advisory ID: MMSA-2026-00622

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-3495
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-jx93-pf6x-874r