{"action":"Upgrade getgrav/grav to 2.0.0-beta.2 or later.","affected":[{"fixed":"2.0.0-beta.2","introduced":"0"}],"component":"getgrav/grav","cve_ids":["CVE-2026-42841"],"ecosystem":"Packagist","epss":0.0042,"exploited":false,"fixed_versions":["2.0.0-beta.2"],"ghsa_id":"GHSA-r7fx-8g49-7hhr","id":"tcs_01M5KF80XPKSB2KDM1V0MCVFTM","modified_at":"2026-09-10T03:50:47.418344786Z","published_at":"2026-05-05T21:24:08Z","references":["https://osv.dev/vulnerability/GHSA-r7fx-8g49-7hhr","https://github.com/getgrav/grav/security/advisories/GHSA-r7fx-8g49-7hhr","https://nvd.nist.gov/vuln/detail/CVE-2026-42841","https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663","https://github.com/getgrav/grav"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"GHSA-r7fx-8g49-7hhr","url":"https://osv.dev/vulnerability/GHSA-r7fx-8g49-7hhr"}],"summary":"Grav CMS vulnerable to stored XSS via Markdown media attribute() action"}