CVE-2026-124453
OpenEMR before 8.3.0 IDOR in Portal Patient Settings via persist.php
OpenEMR before 8.3.0 contains an insecure direct object reference vulnerability in portal/lib/persist.php that allows authenticated portal patients to write settings for other patients. Attackers can modify the setting_patient parameter in a JSON POST request to another patient's PID, altering that patient's portal settings such as the portal theme.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| openemr openemr |
≥ 0; < 8.3.0 (affected, semver) 8.3.0 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 7.1 high |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 7.1 high |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N | CNA: VulnCheck |
| 4.0 / 7.1 high |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/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 | NVD: [email protected] |
| 3.1 / 7.1 high |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N | NVD: [email protected] |
Exploit evidence
- https://github.com/openemr/openemr/security/advisories/GHSA-rrw3-g25h-x68h
exploit · ADP: CISA-ADP
References
- https://github.com/openemr/openemr/security/advisories/GHSA-rrw3-g25h-x68hCNA: VulnCheck · vendor-advisory
- https://www.vulncheck.com/advisories/openemr-before-8.3.0-idor-in-portal-patient-settings-via-persist-phpCNA: VulnCheck · third-party-advisory
- https://github.com/openemr/openemr/security/advisories/GHSA-rrw3-g25h-x68hADP: CISA-ADP · exploit
- https://github.com/openemr/openemr/security/advisories/GHSA-rrw3-g25h-x68h[email protected]
- https://www.vulncheck.com/advisories/openemr-before-8.3.0-idor-in-portal-patient-settings-via-persist-php[email protected]
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