{"action":"Upgrade getgrav/grav to 2.0.0-rc.9 or later.","affected":[{"fixed":"2.0.0-rc.9","introduced":"0"}],"component":"getgrav/grav","cve_ids":["CVE-2026-55890"],"ecosystem":"Packagist","epss":0.00503,"exploited":false,"fixed_versions":["2.0.0-rc.9"],"ghsa_id":"GHSA-pmf8-g7c8-7v54","id":"tcs_01M5KF6H0G50YXHZ2HA5C911DD","modified_at":"2026-09-10T03:51:09.269922642Z","published_at":"2026-06-18T14:49:19Z","references":["https://osv.dev/vulnerability/GHSA-pmf8-g7c8-7v54","https://github.com/getgrav/grav/security/advisories/GHSA-pmf8-g7c8-7v54","https://github.com/getgrav/grav/commit/5a12f9be8","https://github.com/getgrav/grav"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"GHSA-pmf8-g7c8-7v54","url":"https://osv.dev/vulnerability/GHSA-pmf8-g7c8-7v54"}],"summary":"Grav: Stored CSS injection via Markdown image ?style=… reaches MediaObjectTrait::style() — incomplete patch of GHSA-r7fx-8g49-7hhr"}