{"id":"UBUNTU-CVE-2020-9440","details":"A cross-site scripting (XSS) vulnerability in the WSC plugin through 5.5.7.5 for CKEditor 4 allows remote attackers to run arbitrary web script inside an IFRAME element by injecting a crafted HTML element into the editor.","modified":"2026-02-04T06:30:32.778254Z","published":"2020-03-10T17:15:00Z","upstream":["CVE-2020-9440"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-9440"},{"type":"REPORT","url":"https://ckeditor.com/blog/CKEditor-4.14-with-Paste-from-LibreOffice-released/#security-issues-fixed"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-9440"}],"affected":[{"package":{"name":"ckeditor","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ckeditor@4.5.7+dfsg-2ubuntu0.16.04.1~esm3?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.4+dfsg1-3","4.5.6+dfsg-1","4.5.7+dfsg-1","4.5.7+dfsg-2","4.5.7+dfsg-2ubuntu0.16.04.1~esm1","4.5.7+dfsg-2ubuntu0.16.04.1~esm2","4.5.7+dfsg-2ubuntu0.16.04.1~esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"4.5.7+dfsg-2ubuntu0.16.04.1~esm3","binary_name":"ckeditor"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9440.json"}},{"package":{"name":"ckeditor","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/ckeditor@4.5.7+dfsg-2ubuntu0.18.04.1+esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.5.7+dfsg-2","4.5.7+dfsg-2ubuntu0.18.04.1","4.5.7+dfsg-2ubuntu0.18.04.1+esm1","4.5.7+dfsg-2ubuntu0.18.04.1+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"ckeditor","binary_version":"4.5.7+dfsg-2ubuntu0.18.04.1+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9440.json"}},{"package":{"name":"ckeditor","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/ckeditor@4.12.1+dfsg-1ubuntu0.1+esm2?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.11.1+dfsg-1","4.12.1+dfsg-1","4.12.1+dfsg-1ubuntu0.1","4.12.1+dfsg-1ubuntu0.1+esm1","4.12.1+dfsg-1ubuntu0.1+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"ckeditor","binary_version":"4.12.1+dfsg-1ubuntu0.1+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9440.json"}},{"package":{"name":"ckeditor","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ckeditor@4.16.2+dfsg-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.16.0+dfsg-2","4.16.2+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ckeditor","binary_version":"4.16.2+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9440.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"}]}