OpenEMR before 8.5.0 contains a reflected cross-site scripting vulnerability that allows authenticated attackers to execute JavaScript by injecting payloads into the searchEleNo POST parameter of the application/index/search endpoint. Attackers can break out of unencoded HTML attributes in auto-suggest.phtml to inject event handlers that fire on DOM insertion, stealing non-HttpOnly session cookies and patient data.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-79"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126475.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "8.5.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "8.5.0"
}
],
"source": "DESCRIPTION"
}
]
}