{"schema_version":"1.9.0","id":"GHSA-228g-948r-83gx","published":"2022-12-13T17:39:36Z","modified":"2025-11-04T17:03:00.052465Z","aliases":["CVE-2022-23515"],"summary":"Improper neutralization of data URIs may allow XSS in Loofah","details":"## Summary\n\nLoofah `>= 2.1.0, < 2.19.1` is vulnerable to cross-site scripting via the `image/svg+xml` media type in data URIs.\n\n\n## Mitigation\n\nUpgrade to Loofah `>= 2.19.1`.\n\n\n## Severity\n\nThe Loofah maintainers have evaluated this as [Medium Severity 6.1](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).\n\n\n## References\n\n- [CWE - CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (4.9)](https://cwe.mitre.org/data/definitions/79.html)\n- [SVG MIME Type (image/svg+xml) is misleading to developers · Issue #266 · w3c/svgwg](https://github.com/w3c/svgwg/issues/266)\n- https://hackerone.com/reports/1694173\n- https://github.com/flavorjones/loofah/issues/101\n\n## Credit\n\nThis vulnerability was responsibly reported by Maciej Piechota (@haqpl).","affected":[{"package":{"name":"loofah","ecosystem":"RubyGems","purl":"pkg:gem/loofah"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.19.1"}]}],"versions":["2.1.0","2.1.1","2.10.0","2.11.0","2.12.0","2.13.0","2.14.0","2.15.0","2.16.0","2.17.0","2.18.0","2.19.0","2.2.0","2.2.1","2.2.2","2.2.3","2.3.0","2.3.1","2.4.0","2.5.0","2.6.0","2.7.0","2.8.0","2.9.0","2.9.1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/12/GHSA-228g-948r-83gx/GHSA-228g-948r-83gx.json"}}],"references":[{"type":"WEB","url":"https://github.com/flavorjones/loofah/security/advisories/GHSA-228g-948r-83gx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23515"},{"type":"WEB","url":"https://github.com/flavorjones/loofah/issues/101"},{"type":"WEB","url":"https://github.com/w3c/svgwg/issues/266"},{"type":"WEB","url":"https://github.com/flavorjones/loofah/commit/415677f3cf7f9254f42f811e784985cd63c7407f"},{"type":"WEB","url":"https://hackerone.com/reports/1694173"},{"type":"PACKAGE","url":"https://github.com/flavorjones/loofah"},{"type":"WEB","url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2022-23515.yml"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00044.html"}],"database_specific":{"cwe_ids":["CWE-79"],"github_reviewed":true,"github_reviewed_at":"2022-12-13T17:39:36Z","nvd_published_at":"2022-12-14T14:15:00Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}