{"action":"Upgrade flarum/nicknames to 1.8.3 or later.","affected":[{"fixed":"1.8.3","introduced":"0"}],"component":"flarum/nicknames","cve_ids":["CVE-2026-30913"],"ecosystem":"Packagist","epss":0.00176,"exploited":false,"fixed_versions":["1.8.3"],"ghsa_id":"GHSA-3c4m-j3g4-hh25","id":"tcs_01M5KESW361E4EAA3ZPXV6P5RQ","modified_at":"2026-03-10T18:47:25.701417Z","published_at":"2026-03-10T00:56:30Z","references":["https://osv.dev/vulnerability/GHSA-3c4m-j3g4-hh25","https://github.com/flarum/framework/security/advisories/GHSA-3c4m-j3g4-hh25","https://nvd.nist.gov/vuln/detail/CVE-2026-30913","https://github.com/flarum/nicknames/commit/4dde99729abdce8f6e2a7437c86e38735fdcca28","https://github.com/flarum/framework","https://github.com/flarum/nicknames/releases/tag/v1.8.","https://github.com/flarum/nicknames/releases/tag/v1.8.3"],"severity":{"label":"medium","score":4.6},"sources":[{"source":"osv","source_id":"GHSA-3c4m-j3g4-hh25","url":"https://osv.dev/vulnerability/GHSA-3c4m-j3g4-hh25"}],"summary":"flarum/nicknames extension has display name injection in notification emails (autolink & markdown)"}