{"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-2026-34561"],"ecosystem":"Packagist","epss":0.00229,"exploited":false,"fixed_versions":["0.31.0.0"],"ghsa_id":"GHSA-gcfj-cf7j-vwgj","id":"tcs_01M5KF2M0N05F6V47ZP3H3BDHK","modified_at":"2026-05-05T16:06:35.340281Z","published_at":"2026-04-01T22:02:34Z","references":["https://osv.dev/vulnerability/GHSA-gcfj-cf7j-vwgj","https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-gcfj-cf7j-vwgj","https://nvd.nist.gov/vuln/detail/CVE-2026-34561","https://github.com/ci4-cms-erp/ci4ms","https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.0.0"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GHSA-gcfj-cf7j-vwgj","url":"https://osv.dev/vulnerability/GHSA-gcfj-cf7j-vwgj"}],"summary":"CI4MS: System Settings (Social Media Management) Full Platform Compromise & Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS"}