{"id":"CVE-2018-9243","aliases":["EUVD-2018-20837","GHSA-7p8p-3gqp-fcqx","UBUNTU-CVE-2018-9243"],"status":"published","title":"GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a...","description":"GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a lack of input validation in the merge request component leads to cross site scripting (specifically, filenames in changes tabs of merge requests). This is fixed in 10.6.3, 10.5.7, and 10.4.7.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00983,"percentile":0.62544,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2018-04-05T14:00:00Z","modified":"2026-10-30T10:30:20Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab-ce/issues/42028","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Vendor Advisory","evidence"]},{"url":"https://about.gitlab.com/2018/04/04/security-release-gitlab-10-dot-6-dot-3-released/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-9243"},{"url":"https://github.com/advisories/GHSA-7p8p-3gqp-fcqx"},{"url":"https://ubuntu.com/security/CVE-2018-9243","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-9243","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-9243","description":"GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a lack of input validation in the merge request component leads to cross site scripting (specifically, filenames in changes tabs of merge requests). This is fixed in 10.6.3, 10.5.7, and 10.4.7.","status":"published","published":"2018-04-05T14:00:00Z","modified":"2024-08-05T07:17:51.809Z","updated_at":"2026-11-02T14:35:02.289647Z"}],"euvd":[{"id":"EUVD-2018-20837","description":"GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a lack of input validation in the merge request component leads to cross site scripting (specifically, filenames in changes tabs of merge requests). This is fixed in 10.6.3, 10.5.7, and 10.4.7.","status":"published","published":"2018-04-05T14:00:00Z","modified":"2024-08-05T07:17:51Z","updated_at":"2026-11-03T02:40:00.465176Z"}],"ghsa":[{"id":"GHSA-7p8p-3gqp-fcqx","title":"GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a...","description":"GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a lack of input validation in the merge request component leads to cross site scripting (specifically, filenames in changes tabs of merge requests). This is fixed in 10.6.3, 10.5.7, and 10.4.7.","status":"published","published":"2022-05-14T01:30:35Z","modified":"2023-02-02T05:04:00Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:51:45.826629Z"}],"nvd":[{"id":"CVE-2018-9243","description":"GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a lack of input validation in the merge request component leads to cross site scripting (specifically, filenames in changes tabs of merge requests). This is fixed in 10.6.3, 10.5.7, and 10.4.7.","status":"published","published":"2018-04-05T14:29:00.327Z","modified":"2026-06-17T02:06:16.67Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:04:24.700429Z"}],"osv":[{"id":"CVE-2018-9243","description":"GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a lack of input validation in the merge request component leads to cross site scripting (specifically, filenames in changes tabs of merge requests). This is fixed in 10.6.3, 10.5.7, and 10.4.7.","status":"published","published":"2018-04-05T14:29:00.327Z","modified":"2026-10-30T10:30:20.836982778Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:10.051046Z"},{"id":"UBUNTU-CVE-2018-9243","description":"GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a lack of input validation in the merge request component leads to cross site scripting (specifically, filenames in changes tabs of merge requests). This is fixed in 10.6.3, 10.5.7, and 10.4.7.","status":"published","published":"2018-04-05T14:29:00Z","modified":"2025-10-24T04:46:58Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:18.772093Z"}]}}