{"id":"GHSA-h3gq-j7p9-x3p4","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.\n\n","aliases":["BIT-mattermost-2023-7113","CVE-2023-7113","GO-2024-2446"],"modified":"2026-07-17T21:10:42.754882294Z","published":"2023-12-29T15:30:36Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2024-01-03T21:27:24Z","nvd_published_at":"2023-12-29T13:15:11Z","cwe_ids":["CWE-79"],"severity":"LOW"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-7113"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-h3gq-j7p9-x3p4"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"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"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N"},{"type":"CVSS_V4","score":"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"}]}