{"action":"Upgrade UmbracoCms.Core to 8.18.13 (8.x), 10.8.4 (10.x), 12.3.7 (12.x) or 13.1.1 (13.x) or later.","affected":[{"fixed":"8.18.13","introduced":"8.0.0"},{"fixed":"10.8.4","introduced":"10.0.0"},{"fixed":"12.3.7","introduced":"12.0.0"},{"fixed":"13.1.1","introduced":"13.0.0"}],"component":"UmbracoCms.Core","cve_ids":["CVE-2024-35218"],"ecosystem":"NuGet","epss":0.00354,"exploited":false,"fixed_versions":["8.18.13","10.8.4","12.3.7","13.1.1"],"ghsa_id":"GHSA-gvpc-3pj6-4m9w","id":"tcs_01M5N8PMMN5SF38JZ4GF9WMYRY","modified_at":"2026-09-10T03:50:02.845381788Z","published_at":"2024-05-21T14:47:24Z","references":["https://osv.dev/vulnerability/GHSA-gvpc-3pj6-4m9w","https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-gvpc-3pj6-4m9w","https://nvd.nist.gov/vuln/detail/CVE-2024-35218","https://github.com/umbraco/Umbraco-CMS/commit/1b712fe6ec52aa4e71b3acf63e393c8e6ab85385","https://github.com/umbraco/Umbraco-CMS/commit/a2684069b1e9976444f60b4b37a80be05b87f6b6","https://github.com/umbraco/Umbraco-CMS/commit/cbf9f9bcd199d7ca0412be3071d275556f10b7ba","https://github.com/umbraco/Umbraco-CMS/commit/d090176272d07500dac0daee7c598aa8bb321050","https://github.com/umbraco/Umbraco-CMS"],"severity":{"label":"medium","score":4.2},"sources":[{"source":"osv","source_id":"GHSA-gvpc-3pj6-4m9w","url":"https://osv.dev/vulnerability/GHSA-gvpc-3pj6-4m9w"}],"summary":"Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane"}