{"id":"CVE-2021-39873","details":"In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response.","aliases":["BIT-gitlab-2021-39873"],"modified":"2026-04-10T04:37:32.220829Z","published":"2021-10-04T17:15:07.967Z","references":[{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/27241"},{"type":"REPORT","url":"https://hackerone.com/reports/504961"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"0"},{"fixed":"9cd657e5179e339171d27e4573b8f5711db1d824"},{"introduced":"0"},{"fixed":"9cd657e5179e339171d27e4573b8f5711db1d824"},{"introduced":"38bbb40bb77dd3e0f0281c4363e2ef298e650c42"},{"fixed":"72c1da0383a35604f4b2d73a7ed8e6a2c4ee64b1"},{"introduced":"38bbb40bb77dd3e0f0281c4363e2ef298e650c42"},{"fixed":"72c1da0383a35604f4b2d73a7ed8e6a2c4ee64b1"}],"database_specific":{"versions":[{"introduced":"1.0.0"},{"fixed":"14.1.7"},{"introduced":"1.0.0"},{"fixed":"14.1.7"},{"introduced":"14.2.0"},{"fixed":"14.2.5"},{"introduced":"14.2.0"},{"fixed":"14.2.5"}]}}],"versions":["11-10-0cfa69752d8-0d9531c80-ee","11-10-0cfa69752d8-74ffd66ae-ee","11-10-119f9509d50-6d7537235-ee","v1.2.0","v1.2.0pre","v1.2.1","v1.2.2","v14.1.0-ee","v14.1.0-rc42-ee","v14.1.0-rc43-ee","v14.1.1-ee","v14.1.3-ee","v14.1.5-ee","v14.1.6-ee","v14.2.0-ee","v14.2.1-ee","v14.2.3-ee","v14.2.4-ee","v2.3.0","v2.3.0pre","v2.3.1","v2.4.0","v2.4.0pre","v2.4.1","v2.5.0","v2.6.0","v2.6.0pre","v2.6.1","v2.6.2","v2.6.3","v2.7.0","v2.7.0pre","v2.8.0","v2.8.0pre","v2.8.1","v2.8.2","v2.9.0","v2.9.1","v3.0.0","v3.0.1","v3.0.2","v3.0.3","v3.1.0","v4.0.0","v4.0.0rc1","v4.0.0rc2","v5.0.0","v5.1.0","v5.2.0","v6.0.0-ee","v6.0.0-ee.beta","v6.0.0-ee.rc1","v6.1.0-ee","v6.3.0-ee","v6.3.1-ee","v6.4.0-ee","v6.5.0-ee","v6.6.0-ee","v6.7.0-ee","v6.7.0.rc1-ee","v6.8.0-ee","v7.0.0-ee","v7.1.0-ee","v7.1.0.rc1-ee","v7.2.0.rc1-ee","v7.2.0.rc2-ee","v7.2.0.rc3-ee","v7.2.0.rc4-ee","v7.2.0.rc5-ee","v7.3.0-ee","v7.3.0.rc1-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-39873.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.3.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.3.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"}]}