GHSA-h8qw-xqm9-q66j

Suggest an improvement
Source
https://github.com/advisories/GHSA-h8qw-xqm9-q66j
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-h8qw-xqm9-q66j/GHSA-h8qw-xqm9-q66j.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-h8qw-xqm9-q66j
Aliases
Published
2022-05-24T17:21:01Z
Modified
2025-10-22T20:27:45.241018Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
Mattermost Server is vulnerable to XSS through customizable theme color-code values
Details

An issue was discovered in Mattermost Server before 3.1.0. It allows XSS via theme color-code values.

Database specific
{
    "nvd_published_at": "2020-06-19T20:15:00Z",
    "severity": "MODERATE",
    "github_reviewed_at": "2025-10-22T19:52:12Z",
    "cwe_ids": [
        "CWE-79"
    ],
    "github_reviewed": true
}
References

Affected packages

Go / github.com/mattermost/mattermost-server

Package

Name
github.com/mattermost/mattermost-server
View open source insights on deps.dev
Purl
pkg:golang/github.com/mattermost/mattermost-server

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.0