{"id":"CVE-2022-23518","aliases":["GHSA-mcvf-2q2m-x72m"],"url":"https://o3.security/vulnerability/CVE-2022-23518","summary":"Improper neutralization of data URIs allows XSS in rails-html-sanitizer","details":"rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions >= 1.0.3, < 1.4.4 are vulnerable to cross-site scripting via data URIs when used in combination with Loofah >= 2.1.0. This issue is patched in version 1.4.4.","published":"2022-12-14T16:22:34.460Z","modified":"2026-07-15T01:49:15.007496063Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"RubyGems","name":"rails-html-sanitizer","fixedVersion":"1.4.4"}],"fix":null,"references":[{"type":"WEB","url":"https://hackerone.com/reports/1694173"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00045.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23518.json"},{"type":"ADVISORY","url":"https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23518"},{"type":"REPORT","url":"https://github.com/rails/rails-html-sanitizer/issues/135"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:15.007496063Z"}}