{"id":"CVE-2026-66300","published":"2026-08-04T19:16:51.970","lastModified":"2026-08-04T20:16:52.437","description":"SNOMED International Snowstorm contains a reflected XSS vulnerability within the \"Web Route\" redirection functionality. An attacker can inject arbitrary JavaScript which will execute upon a target user navigating to a crafted, malicious link. Fixed in 10.12.2 and 10.9.3.","cvssScore":5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/IHTSDO/snowstorm/commit/575b555695811110dafe2fcea7dd2fd7e4bcee39","tags":[]},{"url":"https://github.com/IHTSDO/snowstorm/commit/b8061add427c930b3030549e77aa23ec5957ceb6","tags":[]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-212-01.json","tags":[]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-66300","tags":[]}],"exploitRefs":[{"url":"https://github.com/IHTSDO/snowstorm/commit/575b555695811110dafe2fcea7dd2fd7e4bcee39","tags":[]},{"url":"https://github.com/IHTSDO/snowstorm/commit/b8061add427c930b3030549e77aa23ec5957ceb6","tags":[]}],"hasPoc":true,"ai":null}