{"id":"UBUNTU-CVE-2021-29272","details":"bluemonday before 1.0.5 allows XSS because certain Go lowercasing converts an uppercase Cyrillic character, defeating a protection mechanism against the \"script\" string.","modified":"2025-10-24T04:50:16Z","published":"2021-03-27T18:15:00Z","upstream":["CVE-2021-29272"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-29272"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-29272"}],"affected":[{"package":{"name":"golang-github-microcosm-cc-bluemonday","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/golang-github-microcosm-cc-bluemonday@0.0~git20161202.0.e797637-1.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20161202.0.e797637-1","0.0~git20161202.0.e797637-1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-microcosm-cc-bluemonday-dev","binary_version":"0.0~git20161202.0.e797637-1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29272.json"}},{"package":{"name":"golang-github-microcosm-cc-bluemonday","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/golang-github-microcosm-cc-bluemonday@1.0.16-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.2-4","1.0.6-1","1.0.16-1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-microcosm-cc-bluemonday-dev","binary_version":"1.0.16-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29272.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}