{"action":"Upgrade action_text-trix to 2.1.18 or later.","affected":[{"fixed":"2.1.18","introduced":"0"}],"component":"action_text-trix","cve_ids":["CVE-2026-73428"],"ecosystem":"RubyGems","epss":0.00353,"exploited":false,"fixed_versions":["2.1.18"],"ghsa_id":"GHSA-53g2-mvcc-q9x3","id":"tcs_01M5KEGTVB4DDFGGCYNN4XJ182","modified_at":"2026-08-12T21:11:05.764982Z","published_at":"2026-07-24T16:18:01Z","references":["https://osv.dev/vulnerability/GHSA-53g2-mvcc-q9x3","https://github.com/basecamp/trix/security/advisories/GHSA-53g2-mvcc-q9x3","https://github.com/basecamp/trix/commit/9c0a993d9fc2ffe9d56b013b030bc238f9c0557c","https://github.com/basecamp/trix","https://github.com/basecamp/trix/releases/tag/v2.1.18"],"severity":{"label":"medium","score":4.6},"sources":[{"source":"osv","source_id":"GHSA-53g2-mvcc-q9x3#RubyGems/action_text-trix","url":"https://osv.dev/vulnerability/GHSA-53g2-mvcc-q9x3"}],"summary":"Trix: Stored XSS via HTMLParser attribute injection on paste"}