{"action":"Upgrade redaxo/source to 5.21.0 or later.","affected":[{"fixed":"5.21.0","introduced":"0"}],"component":"redaxo/source","cve_ids":["CVE-2026-117538"],"ecosystem":"Packagist","epss":0.00179,"exploited":false,"fixed_versions":["5.21.0"],"ghsa_id":"GHSA-xq4j-g85q-wf97","id":"tcs_01M5KFB8SGT7J9DS4T34X5CHRT","modified_at":"2026-10-28T02:56:07.570061609Z","published_at":"2026-04-10T19:40:42Z","references":["https://osv.dev/vulnerability/GHSA-xq4j-g85q-wf97","https://github.com/redaxo/core/security/advisories/GHSA-xq4j-g85q-wf97","https://github.com/redaxo/core","https://github.com/redaxo/core/releases/tag/5.21.0"],"severity":{"label":"low"},"sources":[{"source":"osv","source_id":"GHSA-xq4j-g85q-wf97","url":"https://osv.dev/vulnerability/GHSA-xq4j-g85q-wf97"}],"summary":"REDAXO has reflected XSS backend packages API via function parameter (CSRF token required)"}