{"id":"CVE-2026-126424","kind":"vulnerability","aliases":["CVE-2026-126424"],"related":[],"title":"OpenEMR: stored script injection via SNOMED superbill descriptions","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.","summary":"OpenEMR before 8.5.0 lets a user with admin or superbill write permission store HTML in SNOMED code descriptions. When a clinician selects that code in certain forms, the script runs in their session and can read patient data and perform actions.","severity":"medium","cvss":4.6,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["healthcare","openemr","other","self-hosted"],"not_affected_if":["no-superbill-write-users","openemr-8.5.0-or-later"],"how_to_check":"- Check the OpenEMR version in the installation; versions below `8.5.0` are listed as affected\n- Confirm whether any users hold admin or superbill write permission, since they are the ones who can inject the payload","fix":"- OpenEMR: move to `8.5.0` or later","status":"open","published_at":"2026-11-13T10:17:48+00:00","first_seen_at":"2026-11-13T10:47:21+00:00","triaged_at":"2026-11-13T10:58:48+00:00","updated_at":"2026-11-13T10:58:48+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-11-13T10:58:48Z","model":"claude-haiku-5-5","output":{"fix":"- OpenEMR: move to `8.5.0` or later","reach":"network","title":"OpenEMR: stored script injection via SNOMED superbill descriptions","impact":"high","summary":"OpenEMR before 8.5.0 lets a user with admin or superbill write permission store HTML in SNOMED code descriptions. When a clinician selects that code in certain forms, the script runs in their session and can read patient data and perform actions.","audience":"businesses","category":"other","nicknames":[],"who_cares":["openemr","healthcare","self-hosted"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"clinician session runs script, reading patient data and acting","analyst_note":"Product name and ecosystem not given in the input; the source lists no products.","how_to_check":"- Check the OpenEMR version in the installation; versions below `8.5.0` are listed as affected\n- Confirm whether any users hold admin or superbill write permission, since they are the ones who can inject the payload","plain_action":"","product_name":"","needs_analyst":false,"not_affected_if":["openemr-8.5.0-or-later","no-superbill-write-users"],"who_is_affected":"Clinics and hospitals running OpenEMR older than 8.5.0 where users hold admin or superbill write permission. The exposure is internal: an attacker needs such an account, and clinicians who select the poisoned SNOMED code are the ones who run the script. Installations already on 8.5.0 or later are not affected.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.00074,"input_tokens":4642,"output_tokens":551,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-126424':11A,14A '-2026':10A,13A '8.5.0':23B,64C 'action':61B,124C 'admin':28B 'admin/superbill':77C 'allow':74C 'assign':107C 'certain':46B 'clinician':41B,91C,115C 'code':37B,44B,85C,95C 'cognit':99C 'contain':65C 'cross':69C 'cross-sit':68C 'cve':9A,12A 'data':58B,121C 'descript':8A,38B,86C 'execut':111C 'fee':104C 'fee-sheet':103C 'form':47B,101C,106C 'function':97C 'healthcar':15B 'host':20B 'html':34B,82C 'inject':4A,81C 'innerhtml':110C 'javascript':112C 'let':24B 'malici':94C 'openemr':1A,16B,21B,62C 'patient':57B,120C 'perform':60B,123C 'permiss':32B,79C 'read':56B,119C 'run':50B 'script':3A,49B,71C 'select':42B,92C 'self':19B 'self-host':18B 'session':53B,117C 'sheet':105C 'site':70C 'snome':6A,36B,84C 'status':100C 'store':2A,33B,67C 'superbil':7A,30B 'superbill_custom_full.php':88C 'user':26B,75C 'via':5A,87C 'vulner':72C 'write':31B,78C","nicknames":[],"mitigations":[],"who_affected":"Clinics and hospitals running OpenEMR older than 8.5.0 where users hold admin or superbill write permission. The exposure is internal: an attacker needs such an account, and clinicians who select the poisoned SNOMED code are the ones who run the script. Installations already on 8.5.0 or later are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["healthcare","medium","openemr","other","selfhosted"],"campaign_type":null,"search_a":"'-126424':11A,14A '-2026':10A,13A 'cve':9A,12A 'descript':8A 'inject':4A 'openemr':1A 'script':3A 'snome':6A 'store':2A 'superbil':7A 'via':5A","search_b":"'8.5.0':23B 'action':61B 'admin':28B 'certain':46B 'clinician':41B 'code':37B,44B 'data':58B 'descript':38B 'form':47B 'healthcar':15B 'host':20B 'html':34B 'let':24B 'openemr':16B,21B 'patient':57B 'perform':60B 'permiss':32B 'read':56B 'run':50B 'script':49B 'select':42B 'self':19B 'self-host':18B 'session':53B 'snome':36B 'store':33B 'superbil':30B 'user':26B 'write':31B","search_c":"'8.5.0':64C 'action':124C 'admin/superbill':77C 'allow':74C 'assign':107C 'clinician':91C,115C 'code':85C,95C 'cognit':99C 'contain':65C 'cross':69C 'cross-sit':68C 'data':121C 'descript':86C 'execut':111C 'fee':104C 'fee-sheet':103C 'form':101C,106C 'function':97C 'html':82C 'inject':81C 'innerhtml':110C 'javascript':112C 'malici':94C 'openemr':62C 'patient':120C 'perform':123C 'permiss':79C 'read':119C 'script':71C 'select':92C 'session':117C 'sheet':105C 'site':70C 'snome':84C 'status':100C 'store':67C 'superbill_custom_full.php':88C 'user':75C 'via':87C 'vulner':72C 'write':78C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-10-28T02:16:29+00:00","kev":null,"cvss_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","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126424","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126424","severity":null,"published_at":"2026-11-13T10:17:48+00:00","modified_at":"2026-11-13T10:17:48+00:00","first_seen_at":"2026-11-13T10:47:21+00:00","fetched_at":"2026-11-13T10:47:21+00:00","note":null}],"documents":[{"id":145091,"url":"https://github.com/openemr/openemr/security/advisories/GHSA-qv97-cvw6-8j53","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-10-28T02:16:29+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":145092,"url":"https://www.vulncheck.com/advisories/openemr-before-8.5.0-stored-xss-via-billing-code-descriptions","title":"Third-party advisory: www.vulncheck.com","kind":"advisory","source":"nvd","publisher":"research","text":null,"published_at":null,"relation":"advisory","confidence":null,"note":"Third-party advisory: www.vulncheck.com"}],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}