{"action":"Upgrade october/system to 3.7.14 or later.","affected":[{"fixed":"4.1.10","introduced":"4.0.0"},{"fixed":"3.7.14","introduced":"0"}],"component":"october/system","cve_ids":["CVE-2026-24906"],"ecosystem":"Packagist","epss":0.00252,"exploited":false,"fixed_versions":["4.1.10","3.7.14"],"ghsa_id":"GHSA-6qmh-j78v-ffp7","id":"tcs_01M5KEXAACMPFVSXGRCYZHYGG3","modified_at":"2026-05-05T16:02:41.032005Z","published_at":"2026-04-14T20:02:31Z","references":["https://osv.dev/vulnerability/GHSA-6qmh-j78v-ffp7","https://github.com/octobercms/october/security/advisories/GHSA-6qmh-j78v-ffp7","https://nvd.nist.gov/vuln/detail/CVE-2026-24906","https://github.com/octobercms/october"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-6qmh-j78v-ffp7","url":"https://osv.dev/vulnerability/GHSA-6qmh-j78v-ffp7"}],"summary":"October CMS has Stored XSS in Backend Editor Markup Classes"}