GHSA-42x9-rr3c-gr59

Suggest an improvement
Source
https://github.com/advisories/GHSA-42x9-rr3c-gr59
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-42x9-rr3c-gr59/GHSA-42x9-rr3c-gr59.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-42x9-rr3c-gr59
Aliases
Published
2022-05-24T17:21:06Z
Modified
2026-02-19T20:41:02.522703Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
Mattermost Server vulnerable to XSS through channel headers
Details

An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. XSS could occur via a channel header.

Database specific
{
    "github_reviewed_at": "2026-02-06T22:44:36Z",
    "github_reviewed": true,
    "nvd_published_at": "2020-06-19T20:15:00Z",
    "cwe_ids": [
        "CWE-79"
    ],
    "severity": "MODERATE"
}
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
3.9.2-0.20170714014920-312269ad0bd1

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-42x9-rr3c-gr59/GHSA-42x9-rr3c-gr59.json"

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
3.10.0
Fixed
3.10.2

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-42x9-rr3c-gr59/GHSA-42x9-rr3c-gr59.json"