{"id":"CVE-2026-124463","kind":"vulnerability","aliases":["CVE-2026-124463"],"related":[],"title":"OpenEMR: stored cross-site scripting via CAMOS content runs in victim sessions","description":"OpenEMR before 8.3.0 contains a stored cross-site scripting vulnerability that allows authenticated users with CAMOS access to inject HTML by saving malicious CAMOS content through ajax_save.php. Attackers can store a script payload that executes unencoded when the entry is printed via the non-print_html branch of rx_print.php, performing actions and reading data as the victim user.","summary":"OpenEMR before 8.3.0 lets a logged-in user with CAMOS access save HTML through ajax_save.php that is later printed unencoded by rx_print.php. A victim who opens the entry runs the attacker's script, which can act and read data as that user.","severity":"critical","cvss":9.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["healthcare","openemr","other","self-hosted"],"not_affected_if":["no-camos-access","version-8.3.0-or-later"],"how_to_check":"- Check the OpenEMR version in use; versions before `8.3.0` are in the described range.\n- Confirm whether CAMOS entries are used in the deployment.","fix":"- OpenEMR: move to `8.3.0` or later.","status":"open","published_at":"2026-11-08T14:18:14+00:00","first_seen_at":"2026-11-08T14:48:40+00:00","triaged_at":"2026-11-08T14:48:52+00:00","updated_at":"2026-11-08T14:48:52+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-11-08T14:48:52Z","model":"claude-haiku-5-5","output":{"fix":"- OpenEMR: move to `8.3.0` or later.","reach":"network","title":"OpenEMR: stored cross-site scripting via CAMOS content runs in victim sessions","impact":"high","summary":"OpenEMR before 8.3.0 lets a logged-in user with CAMOS access save HTML through ajax_save.php that is later printed unencoded by rx_print.php. A victim who opens the entry runs the attacker's script, which can act and read data as that user.","audience":"businesses","category":"other","nicknames":[],"who_cares":["openemr","healthcare","self-hosted"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"script runs as a victim user, reading and acting on their data","analyst_note":"","how_to_check":"- Check the OpenEMR version in use; versions before `8.3.0` are in the described range.\n- Confirm whether CAMOS entries are used in the deployment.","plain_action":"","product_name":"","needs_analyst":false,"not_affected_if":["version-8.3.0-or-later","no-camos-access"],"who_is_affected":"Deployments of OpenEMR before 8.3.0 where users have CAMOS access can be exposed, since stored script in CAMOS content runs when printed through the non-print_html branch of rx_print.php. Attackers need an authenticated account with CAMOS access. Deployments already on 8.3.0 or later are not affected.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000735,"input_tokens":4629,"output_tokens":545,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-124463':16A,19A '-2026':15A,18A '8.3.0':28B,71C 'access':37B,86C 'act':62B 'action':121C 'ajax_save.php':41B,96C 'allow':81C 'attack':57B,97C 'authent':82C 'branch':117C 'camo':8A,36B,85C,93C 'contain':72C 'content':9A,94C 'cross':4A,76C 'cross-sit':3A,75C 'cve':14A,17A 'data':65B,124C 'entri':54B,108C 'execut':104C 'healthcar':20B 'host':25B 'html':39B,89C,116C 'inject':88C 'later':44B 'let':29B 'log':32B 'logged-in':31B 'malici':92C 'non':114C 'non-print':113C 'open':52B 'openemr':1A,21B,26B,69C 'payload':102C 'perform':120C 'print':45B,110C,115C 'read':64B,123C 'run':10A,55B 'rx_print.php':48B,119C 'save':38B,91C 'script':6A,59B,78C,101C 'self':24B 'self-host':23B 'session':13A 'site':5A,77C 'store':2A,74C,99C 'unencod':46B,105C 'user':34B,68B,83C,128C 'via':7A,111C 'victim':12A,50B,127C 'vulner':79C","nicknames":[],"mitigations":[],"who_affected":"Deployments of OpenEMR before 8.3.0 where users have CAMOS access can be exposed, since stored script in CAMOS content runs when printed through the non-print_html branch of rx_print.php. Attackers need an authenticated account with CAMOS access. Deployments already on 8.3.0 or later are not affected.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["critical","healthcare","openemr","other","selfhosted"],"campaign_type":null,"search_a":"'-124463':16A,19A '-2026':15A,18A 'camo':8A 'content':9A 'cross':4A 'cross-sit':3A 'cve':14A,17A 'openemr':1A 'run':10A 'script':6A 'session':13A 'site':5A 'store':2A 'via':7A 'victim':12A","search_b":"'8.3.0':28B 'access':37B 'act':62B 'ajax_save.php':41B 'attack':57B 'camo':36B 'data':65B 'entri':54B 'healthcar':20B 'host':25B 'html':39B 'later':44B 'let':29B 'log':32B 'logged-in':31B 'open':52B 'openemr':21B,26B 'print':45B 'read':64B 'run':55B 'rx_print.php':48B 'save':38B 'script':59B 'self':24B 'self-host':23B 'unencod':46B 'user':34B,68B 'victim':50B","search_c":"'8.3.0':71C 'access':86C 'action':121C 'ajax_save.php':96C 'allow':81C 'attack':97C 'authent':82C 'branch':117C 'camo':85C,93C 'contain':72C 'content':94C 'cross':76C 'cross-sit':75C 'data':124C 'entri':108C 'execut':104C 'html':89C,116C 'inject':88C 'malici':92C 'non':114C 'non-print':113C 'openemr':69C 'payload':102C 'perform':120C 'print':110C,115C 'read':123C 'rx_print.php':119C 'save':91C 'script':78C,101C 'site':77C 'store':74C,99C 'unencod':105C 'user':83C,128C 'via':111C 'victim':127C 'vulner':79C","cause_entry":null,"cause_path":null,"first_public_at":"2026-08-18T08:45:14+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/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-2026-124463","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124463","severity":null,"published_at":"2026-11-08T14:18:14+00:00","modified_at":"2026-11-08T14:18:14+00:00","first_seen_at":"2026-11-08T14:48:40+00:00","fetched_at":"2026-11-08T14:48:40+00:00","note":null}],"documents":[{"id":102109,"url":"https://github.com/openemr/openemr/security/advisories/GHSA-rc6m-6pq4-r69x","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-08-18T08:45:14+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":102110,"url":"https://www.vulncheck.com/advisories/openemr-before-8.3.0-stored-xss-via-camos-rx-print-view","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"}],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}