{"id":"GHSA-j3gg-r6gp-95q2","summary":"XSS in HEEx class attributes","details":"The `class` attribute was not protected against XSS attacks when using HEEx.","aliases":["CVE-2021-46871","GHSA-5g2h-9x5v-5h3x"],"modified":"2026-09-10T03:49:18.181417321Z","published":"2022-04-12T20:22:57Z","database_specific":{"github_reviewed_at":"2022-04-12T20:22:57Z","nvd_published_at":null,"cwe_ids":["CWE-79"],"severity":"MODERATE","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/phoenixframework/phoenix_html/commit/62a0139fb716bcdce697f6221244bd81d321d620"},{"type":"PACKAGE","url":"https://github.com/phoenixframework/phoenix_html"}],"affected":[{"package":{"name":"phoenix_html","ecosystem":"Hex","purl":"pkg:hex/phoenix_html"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.0.4"}]}],"versions":["1.0.0","1.0.1","1.1.0","1.2.0","1.2.1","1.3.0","1.4.0","2.0.0","2.0.0-dev","2.0.1","2.1.0","2.1.1","2.1.2","2.10.0","2.10.1","2.10.2","2.10.3","2.10.4","2.10.5","2.11.0","2.11.1","2.11.2","2.12.0","2.13.0","2.13.1","2.13.2","2.13.3","2.13.4","2.14.0","2.14.1","2.14.2","2.14.3","2.2.0","2.3.0","2.3.1","2.4.0","2.4.0-dev","2.5.0","2.5.1","2.6.0","2.6.1","2.6.2","2.7.0","2.7.0-dev","2.8.0","2.9.0","2.9.1","2.9.2","2.9.3","3.0.0","3.0.1","3.0.2","3.0.3"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/04/GHSA-j3gg-r6gp-95q2/GHSA-j3gg-r6gp-95q2.json"}}],"schema_version":"1.9.0"}