CVE-2026-66300

MediumCVSS 5.0/10Last modified Oct 24, 2026

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.

Metrics

CVSS 3.1 5.0/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-79

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
SNOMED International	Snowstorm	>= 7.0.0, < 10.12.2

References

Timeline

Published: Aug 4, 2026
Last modified: Oct 24, 2026
NVD status: Awaiting Analysis

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