GHSA-9x8x-w6g5-hx4w

Suggest an improvement
Source
https://github.com/advisories/GHSA-9x8x-w6g5-hx4w
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-9x8x-w6g5-hx4w/GHSA-9x8x-w6g5-hx4w.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-9x8x-w6g5-hx4w
Aliases
Published
2022-05-24T17:21:03Z
Modified
2025-12-09T17:57:32.691157Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N CVSS Calculator
Summary
Mattermost Server is vulnerable to XSS attacks against an OAuth 2.0 allow/deny page
Details

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS attacks could occur against an OAuth 2.0 allow/deny page.

Database specific 
{
    "cwe_ids": [
        "CWE-79"
    ],
    "github_reviewed_at": "2025-12-05T15:10:38Z",
    "github_reviewed": true,
    "nvd_published_at": "2020-06-19T17:15:00Z",
    "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
4.1.2

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-9x8x-w6g5-hx4w/GHSA-9x8x-w6g5-hx4w.json"
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
4.2.0
Fixed
4.2.1

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-9x8x-w6g5-hx4w/GHSA-9x8x-w6g5-hx4w.json"
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
4.3.0-rc1
Fixed
4.3.0

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-9x8x-w6g5-hx4w/GHSA-9x8x-w6g5-hx4w.json"