{"id":"GHSA-r5mf-q76q-f2xq","aliases":["CVE-2021-27676"],"title":"Cross-site scripting in Centreon","description":"Centreon version 20.10.2 is affected by a cross-site scripting (XSS) vulnerability. The dep_description (Dependency Description) and dep_name (Dependency Name) parameters are vulnerable to stored XSS. A user has to log in and go to the Configuration > Notifications > Hosts page.","severity":"medium","score":5.4,"published":"2021-06-08T20:13:05.000Z","modified":"2026-09-10T03:49:26.936Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"centreon/centreon","ranges":[{"events":[{"introduced":"0"},{"fixed":"20.10.7"}],"type":"ECOSYSTEM"}],"versions":[],"fixed":["20.10.7"]}],"sourceAffected":[],"references":["https://nvd.nist.gov/vuln/detail/CVE-2021-27676","https://github.com/centreon/centreon/pull/9587","https://github.com/centreon/centreon/releases/tag/20.10.7","http://centreon.com"],"sources":[{"name":"OSV","id":"GHSA-r5mf-q76q-f2xq","modified":"2026-09-10T03:49:26.936106244Z","url":"https://osv.dev/vulnerability/GHSA-r5mf-q76q-f2xq"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4}]}