{"id":"CVE-2025-55166","aliases":["GHSA-22wq-q86m-83fh"],"url":"https://o3.security/vulnerability/CVE-2025-55166","summary":"svg-sanitizer By-Passing Attribute Sanitization","details":"savg-sanitizer is a PHP SVG/XML sanitizer. Prior to version 0.22.0, the sanitization logic in the cleanXlinkHrefs method only searches for lower-case attribute name, which allows to by-pass the isHrefSafeValue check. As a result this allows cross-site scripting or linking to external domains. This issue has been patched in version 0.22.0.","published":"2025-08-12T16:25:17.220Z","modified":"2026-08-12T03:51:38.098263342Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"enshrined/svg-sanitize","fixedVersion":"0.22.0"}],"fix":{"url":"https://github.com/darylldoyle/svg-sanitizer/commit/5a0a1eaf0c6b0b540dc945fe30c93cf106b357c1","label":"darylldoyle/svg-sanitizer@5a0a1ea"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55166.json"},{"type":"ADVISORY","url":"https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-22wq-q86m-83fh"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55166"},{"type":"FIX","url":"https://github.com/darylldoyle/svg-sanitizer/commit/5a0a1eaf0c6b0b540dc945fe30c93cf106b357c1"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:38.098263342Z"}}