{"affected":[{"defaultStatus":"unaffected","product":"openemr","source":"CNA: VulnCheck","vendor":"openemr","versions":[{"lessThan":"8.5.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"8.5.0","versionType":"semver"}]}],"cveId":"CVE-2026-126424","cwes":["CWE-79"],"description":"OpenEMR before 8.5.0 contains a stored cross-site scripting vulnerability that allows users with admin/superbill write permission to inject HTML into SNOMED code descriptions via superbill_custom_full.php. When a clinician selects the malicious code, the Functional and Cognitive Status form or fee-sheet forms assign it to innerHTML, executing JavaScript in the clinician's session to read patient data and perform actions.","epss":{"date":"2026-11-13","percentile":0.16744,"score":0.00251},"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://github.com/openemr/openemr/security/advisories/GHSA-qv97-cvw6-8j53"}],"kev":null,"metrics":[{"score":4.6,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":3.5,"severity":"low","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N","version":"3.1"},{"score":4.6,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":3.5,"severity":"low","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N","version":"3.1"}],"modifiedAt":1794600837502,"publishedAt":1794562531004,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/openemr/openemr/security/advisories/GHSA-qv97-cvw6-8j53"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openemr-before-8.5.0-stored-xss-via-billing-code-descriptions"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://github.com/openemr/openemr/security/advisories/GHSA-qv97-cvw6-8j53"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/openemr/openemr/security/advisories/GHSA-qv97-cvw6-8j53"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/openemr-before-8.5.0-stored-xss-via-billing-code-descriptions"}],"remediation":[],"revision":"d507ae28a24f126382d87f501d937551fc354410ef55b42f872a6742837496a4","sources":[{"modifiedAt":1794600837502,"name":"CNA: VulnCheck","retrievedAt":1794604187047,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126424"},{"modifiedAt":1794565068643,"name":"NVD","retrievedAt":1794572213397,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126424"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794604187388,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-126424"}],"ssvc":{"assessedAt":1794600795416,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"OpenEMR before 8.5.0 Stored XSS via Billing Code Descriptions","updatedAt":1794604187388}