{"id":"CVE-2023-47168","aliases":["EUVD-2023-2876","GHSA-4ghx-8jw8-p76q"],"status":"published","title":"Open redirect in /oauth/\u003cservice\u003e/mobile_login?redirect_to=","description":"Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked \"Back to Mattermost\" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00403,"percentile":0.34916,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601"],"published":"2023-11-27T09:12:52Z","modified":"2026-10-28T02:31:10Z","fixes":[{"ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","fixed_in":["9.1.1","9.0.2","8.1.4"],"sources":["ghsa","osv"]},{"ecosystem":"Go","package":"github.com/mattermost/mattermost-server/v6","fixed_in":["7.8.13"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.1.0"},{"fixed":"9.1.1"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.2"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.4"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost-server/v6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.8.13"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"9.1.0"},{"fixed":"9.1.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"9.0.0"},{"fixed":"9.0.2"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.1.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server/v6","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.8.13"}]}]}],"products":[{"vendor":"mattermost","product":"mattermost"}],"references":[{"url":"https://mattermost.com/security-updates","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-47168","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4ghx-8jw8-p76q"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47168.json","tags":["advisory"]},{"url":"https://github.com/mattermost/mattermost","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-47168","title":"Open redirect in /oauth/\u003cservice\u003e/mobile_login?redirect_to=","description":"Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked \"Back to Mattermost\" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=\n\n","status":"published","published":"2023-11-27T09:12:52.781Z","modified":"2024-12-02T19:32:41.338Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-2876","description":"Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked \"Back to Mattermost\" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=\n\n","status":"published","published":"2023-11-27T09:12:52Z","modified":"2024-12-02T19:32:41Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:43.613884Z"}],"ghsa":[{"id":"GHSA-4ghx-8jw8-p76q","title":"Mattermost Open Redirect vulnerability","description":"Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked \"Back to Mattermost\" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=\n\n","status":"published","published":"2023-11-27T12:30:54Z","modified":"2023-11-28T20:48:09Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:37:22.840002Z"}],"nvd":[{"id":"CVE-2023-47168","description":"Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked \"Back to Mattermost\" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=\n\n","status":"published","published":"2023-11-27T10:15:08.023Z","modified":"2026-06-17T06:32:16.553Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:08:49.393375Z"}],"osv":[{"id":"CVE-2023-47168","title":"Open redirect in /oauth/\u003cservice\u003e/mobile_login?redirect_to=","description":"Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked \"Back to Mattermost\" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=\n\n","status":"published","published":"2023-11-27T09:12:52.781Z","modified":"2026-10-28T02:31:10.028504033Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:44:34.287121Z"},{"id":"GHSA-4ghx-8jw8-p76q","title":"Mattermost Open Redirect vulnerability","description":"Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked \"Back to Mattermost\" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=\n\n","status":"published","published":"2023-11-27T12:30:54Z","modified":"2026-09-10T03:50:04.11297145Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:37.148947Z"}]}}