GHSA-h3gq-j7p9-x3p4

Suggest an improvement
Source
https://github.com/advisories/GHSA-h3gq-j7p9-x3p4
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/12/GHSA-h3gq-j7p9-x3p4/GHSA-h3gq-j7p9-x3p4.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-h3gq-j7p9-x3p4
Aliases
Downstream
CGA (2)
Published
2023-12-29T15:30:36Z
Modified
2026-09-10T03:50:04Z
Severity
  • 3.7 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N CVSS Calculator
  • 2.1 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N CVSS Calculator
Summary
Mattermost Cross-site Scripting vulnerability
Details

Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.

Database specific
{
    "cwe_ids":  [
        "CWE-79"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2024-01-03T21:27:24Z",
    "nvd_published_at":  "2023-12-29T13:15:11Z",
    "severity":  "LOW"
}
References

Affected packages

Go / github.com/mattermost/mattermost/server/v8

Package

Name
github.com/mattermost/mattermost/server/v8
View open source insights on deps.dev
Purl
pkg:golang/github.com/mattermost/mattermost/server/v8

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.1.7

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/12/GHSA-h3gq-j7p9-x3p4/GHSA-h3gq-j7p9-x3p4.json"