CVE-2026-126474
OpenEMR before 8.5.0 Reflected XSS via ACL Module module_id Parameter
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
OpenEMR before 8.5.0 contains a reflected cross-site scripting vulnerability in the ACL module that allows attackers to execute JavaScript in authenticated sessions via the module_id parameter. Attackers can deliver crafted acl/index or acl/acl links that inject unencoded input into inline script blocks, stealing non-HttpOnly session cookies and modifying ACL configuration.
| CWE | CWE-79 |
| Vendor | openemr |
| Product | openemr |
| Published | Nov 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
openemr / openemr
0 < 8.5.0
References
Credits
🔍 milo2012