PT-2026-26348 · Openemr · Openemr

Pavelkohout396 + 1 · Published 2026-03-19 · Updated 2026-03-23 · CVE-2026-33346

Positive Technologies (AI Summary)

CVSS v3.1

8.7

High

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions OpenEMR versions prior to 8.0.0.2

Description OpenEMR is a free and open source electronic health records and medical practice management application. A stored cross-site scripting (XSS) issue exists in the patient portal payment flow. This allows a patient portal user to inject arbitrary JavaScript code that will be executed in the browser of a staff member reviewing the payment submission. The malicious payload is stored in portal/lib/paylib.php and rendered without proper sanitization in portal/portal payment.php.

Recommendations Update OpenEMR to version 8.0.0.2 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2026-05088

CVE-2026-33346

GHSA-QVF6-6XC6-9QV7

Affected Products

Openemr

References · 11

• 🔥 https://github.com/openemr/openemr/security/advisories/GHSA-qvf6-6xc6-9qv7 · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33346.json · Exploit
• https://github.com/openemr/openemr/commit/6e9e1566d6e271a6d839614674b887e3a73d7da1 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-33346 · Security Note
• https://bdu.fstec.ru/vul/2026-05088 · Security Note
• https://osv.dev/vulnerability/CVE-2026-33346 · Vendor Advisory
• https://twitter.com/infoflowcloud/status/2035993968068968728 · Twitter Post
• https://twitter.com/CVEnew/status/2035992545847652778 · Twitter Post
• https://twitter.com/CveFindCom/status/2034747579854975042 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2034767336125673821 · Twitter Post
• https://twitter.com/TheHackerWire/status/2034741983512862905 · Twitter Post