{"action":"Upgrade winter/wn-backend-module to 1.2.14 or later.","affected":[{"fixed":"1.2.14","introduced":"1.0.319"}],"component":"winter/wn-backend-module","cve_ids":[],"ecosystem":"Packagist","exploited":false,"fixed_versions":["1.2.14"],"ghsa_id":"GHSA-p2ch-c2c3-4xm5","id":"tcs_01M5KF5Z3D106PMNFWP2HMAE18","modified_at":"2026-08-20T19:00:08.915354180Z","published_at":"2026-08-20T18:44:59Z","references":["https://osv.dev/vulnerability/GHSA-p2ch-c2c3-4xm5","https://github.com/wintercms/winter/security/advisories/GHSA-p2ch-c2c3-4xm5","https://github.com/wintercms/winter/commit/353b23804dee2acf49fca996c72637040446824f","https://github.com/wintercms/winter","https://github.com/wintercms/winter/releases/tag/v1.2.14"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-p2ch-c2c3-4xm5","url":"https://osv.dev/vulnerability/GHSA-p2ch-c2c3-4xm5"}],"summary":"Winter: CSRF through AJAX handler names reachable as backend page actions"}