{"action":"Upgrade ci4-cms-erp/ci4ms to 0.31.0.0 or later.","affected":[{"fixed":"0.31.0.0","introduced":"0"}],"component":"ci4-cms-erp/ci4ms","cve_ids":["CVE-2026-34571"],"ecosystem":"Packagist","epss":0.00561,"exploited":false,"fixed_versions":["0.31.0.0"],"ghsa_id":"GHSA-fc4p-p49v-r948","id":"tcs_01M5KF1PBWJBPH5SA33C0ZPEXJ","modified_at":"2026-04-06T17:36:02.510588Z","published_at":"2026-04-01T22:09:03Z","references":["https://osv.dev/vulnerability/GHSA-fc4p-p49v-r948","https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-fc4p-p49v-r948","https://nvd.nist.gov/vuln/detail/CVE-2026-34571","https://github.com/ci4-cms-erp/ci4ms","https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.0.0"],"severity":{"label":"critical","score":9.9},"sources":[{"source":"osv","source_id":"GHSA-fc4p-p49v-r948","url":"https://osv.dev/vulnerability/GHSA-fc4p-p49v-r948"}],"summary":"CI4MS: Stored Cross‑Site Scripting (Stored XSS) in Backend User Management Allows Session Hijacking and Full Administrative Account Compromise"}