CVE-2026-66300

SNOMED International Snowstorm reflected XSS

State: Published
Severity: 2.3 Low
Published: Aug 4, 2026
Updated: Aug 4, 2026
Reserved: Jul 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.

Scores

CVSS	Score	Vector	Source
4.0	2.3 Low	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N	cisa-cg
3.1	5.0 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L	cisa-cg

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
SnowstormSNOMED International	7.0.0 to before 10.12.2Affected 10.12.2Not affected 10.9.3Not affected

References

urlpatch
urlpatch
urlvdb-entry
urlthird-party-advisory

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