Vulnerability record/PUBLISHED/Published Nov 13, 2026 09:35:09 UTC
CVE-2026-126456
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.
Base score5.1/ 10
SeverityMediumCVSS 4.0
Exploitability / impact
CVSS metric breakdown
Base severityMedium
Attack vectorNetworkAV
Attack complexityLowAC
Attack requirementsNoneAT
Privileges requiredLowPR
User interactionPassiveUI
Vulnerable system confidentialityLowVC
Vulnerable system integrityLowVI
Vulnerable system availabilityNoneVA
Subsequent system confidentialityLowSC
Subsequent system integrityLowSI
Subsequent system availabilityNoneSA
CVSS vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:NCVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.
Record context
CVE Numbering AuthorityVulnCheck
Last updatedNov 13, 2026 19:21:54 UTC
PublishedNov 13, 2026 09:35:09 UTC
ReservedNov 10, 2026 21:39:26 UTC
Credits
- AdamKorcz