{"action":"Upgrade rails to 2:6.0.3.4+dfsg-1 or later.","affected":[{"fixed":"2:6.0.3.4+dfsg-1","introduced":"0"}],"component":"rails","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2:6.0.3.4+dfsg-1"],"id":"tcs_01M5NF8KAAAV19G8XR1HCQAP0R","modified_at":"2026-09-11T11:02:49.619636251Z","published_at":"2021-01-06T21:15:14.363Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-8264","https://security-tracker.debian.org/tracker/CVE-2020-8264"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-8264#Debian:14/rails","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-8264"}],"summary":"In actionpack gem >= 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed (in another page) a specially crafted URL which"}