{"id":"GHSA-5g2h-9x5v-5h3x","summary":"phoenix_html allows Cross-site Scripting in HEEx class attributes","details":"tag.ex in Phoenix Phoenix.HTML (aka phoenix_html) before 3.0.4 allows XSS in HEEx class attributes","aliases":["CVE-2021-46871","GHSA-j3gg-r6gp-95q2"],"modified":"2026-09-10T03:49:56.603676080Z","published":"2023-01-10T06:30:25Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2023-01-10T22:16:31Z","nvd_published_at":"2023-01-10T06:15:00Z","cwe_ids":["CWE-79"],"severity":"MODERATE"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46871"},{"type":"WEB","url":"https://github.com/phoenixframework/phoenix_html/commit/62a0139fb716bcdce697f6221244bd81d321d620"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-j3gg-r6gp-95q2"},{"type":"WEB","url":"https://github.com/phoenixframework/phoenix_html"}],"affected":[{"package":{"name":"phoenix_html","ecosystem":"npm","purl":"pkg:npm/phoenix_html"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.0.4"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/01/GHSA-5g2h-9x5v-5h3x/GHSA-5g2h-9x5v-5h3x.json"}},{"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/2023/01/GHSA-5g2h-9x5v-5h3x/GHSA-5g2h-9x5v-5h3x.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}