CVE-2026-126456

EUVD-2026-124967
OpenEMR before 8.5.0 contains a stored cross-site scripting vulnerability in the Fee Sheet notecodes field, which is escaped with the wrong context. Attackers with clinician access can inject a payload that breaks out of the single-quoted value attribute and executes in higher-privileged users' browsers.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 14.53%
Common Weakness Enumeration
References
https://github.com/openemr/openemr/security/advisories/GHSA-ff55-qvf9-2fgm
https://www.vulncheck.com/advisories/openemr-before-8.5.0-stored-xss-via-fee-sheet-notecodes-field
https://github.com/openemr/openemr/security/advisories/GHSA-ff55-qvf9-2fgm