{"id":"CVE-2018-11627","details":"Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception.","aliases":["GHSA-mq35-wqvf-r23c"],"modified":"2026-03-19T03:15:10.933078Z","published":"2018-05-31T19:29:00.203Z","related":["openSUSE-SU-2024:11353-1","openSUSE-SU-2024:12033-1"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0212"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0315"},{"type":"FIX","url":"https://github.com/sinatra/sinatra/commit/12786867d6faaceaec62c7c2cb5b0e2dc074d71a"},{"type":"EVIDENCE","url":"https://github.com/sinatra/sinatra/issues/1428"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/sinatra/sinatra","events":[{"introduced":"0"},{"fixed":"c8910e9a7f9537e397f34b9e71e15757ccfbbae3"},{"fixed":"12786867d6faaceaec62c7c2cb5b0e2dc074d71a"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"2.0.2"}]}}],"versions":["0.0.1","0.1.0","0.1.5","0.1.6","0.1.7","0.2.0","0.2.2","0.3.0","0.3.1","0.3.2","0.3.3","0.9.0.1","0.9.0.2","0.9.1","0.9.1.1","0.9.2","1.0","1.0.a","1.0.b","1.1.0","1.1.a","1.1.b","1.2.0","1.2.0.a","1.2.0.b","1.2.0.c","1.2.0.d","1.2.1","1.3.0","1.3.1","1.3.2","1.4.0","1.4.1","1.4.2","1.4.3","2.0.0.rc3","2.0.0.rc4","2.0.0.rc5","semver","v1.0.0","v1.1.0","v1.2.0","v1.2.1","v1.3.0","v1.3.1","v1.3.2","v1.4.0","v1.4.1","v1.4.2","v1.4.3","v1.4.4","v1.4.5","v1.4.6","v2.0.0","v2.0.0.beta2","v2.0.0.rc1","v2.0.0.rc2","v2.0.0.rc3","v2.0.0.rc4","v2.0.0.rc5","v2.0.0.rc6","v2.0.1","v2.0.1.rc1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-11627.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.6"}]},{"events":[{"introduced":"0"},{"last_affected":"4.7"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}