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CVE-2026-103935— OpenEMR: Stored XSS via `text()` Misuse in Double-Quoted HTML Attribute

Quick assessment

Affected

openemr openemr

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenEMR 是一款免费且开源的电子健康记录与医疗实践管理应用。在 8.3.0 版本之前，和在渲染存储的、和值时，使用了函数（该函数采用标志），并将结果嵌入双引号包裹的 HTML 属性值中。已认证的临床用户可存储包含双引号的值，从而在另一名临床医生打开表单时突破属性边界，注入事件处理程序标记。成功利用该漏洞可泄露会话数据及受保护的健康信息，或允许攻击者在受害者的会话中执行患者记录相关操作。该问题已在 8.3.0 版本中修复。

CVSS 8.1 · High Updated Nov 06, 2026

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

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Vulnerability Information

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Vulnerability Title

OpenEMR: Stored XSS via `text()` Misuse in Double-Quoted HTML Attribute

Source: CVE Program / CVE List V5

Vulnerability Description

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.3.0, interface/forms/transfer_summary/new.php and interface/forms/functional_cognitive_status/new.php render stored transfer_to, code, and codetext values with text(), which uses ENT_NOQUOTES, inside double-quoted HTML value attributes. An authenticated clinical user can store a value containing a double quote that escapes the attribute and injects event-handler markup when another clinician opens the form. Successful exploitation can expose session data and protected health information or permit patient-record actions in the victim's session. This issue is fixed in version 8.3.0.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

在Web页面生成时对输入的转义处理不恰当(跨站脚本)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
openemr	openemr	< 8.3.0	-

II. Public POCs for CVE-2026-103935

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-103935

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Vendor Pages for CVE-2026-103935 (1)

🔗 Release OpenEMR 8.3.0 · openemr/openemr · GitHub Read full article x_refsource_MISC

Other References for CVE-2026-103935 (3)

https://github.com/openemr/openemr/pull/13192 x_refsource_MISC
https://github.com/openemr/openemr/security/advisories/GHSA-pm2v-5p99-37p2 x_refsource_CONFIRM
https://github.com/openemr/openemr/commit/d301444f6c4d9c4fa732ce57f3989214081c6108 x_refsource_MISC

https://www.cve.org/CVERecord?id=CVE-2026-103935

Same Patch Batch · openemr · 2026-11-05 · 16 CVEs total

CVE-2026-102940	9.6 CRITICAL	OpenEMR: Missing Write ACL Allows Unauthorized Document Reassignment
CVE-2026-115573	8.1 HIGH	OpenEMR: Broken Access Control in controller.php Enables Insurance Routing Credential Hija
CVE-2026-65983	7.5 HIGH	OpenEMR FaxSMS module: insecure staging of decrypted patient documents in webroot
CVE-2026-103938	7.1 HIGH	OpenEMR: CSRF Protection Bypass on IPPF Point-of-Sale Void and Regen Operations
CVE-2026-104137	7.1 HIGH	OpenEMR: Patient Data Search Without Sufficient ACL
CVE-2026-104136	7.1 HIGH	OpenEMR: Arbitrary Patient Recall and Contact Detail Read
CVE-2026-104133	7.1 HIGH	OpenEMR: Missing authorization in DORN `compendium_install.php` — non-admin destructive la
CVE-2026-104138	6.5 MEDIUM	OpenEMR: Missing authorization on QRDA Category I/III download endpoints
CVE-2026-104135	6.5 MEDIUM	OpenEMR: Missing authorization in payment patient-search AJAX leaks patient directory and
CVE-2026-104139	6.5 MEDIUM	OpenEMR: Missing Authorization on Document Template Download Endpoint Allows Any Authentic
CVE-2026-104134	6.5 MEDIUM	OpenEMR: Missing authorization in person-search AJAX leaks patient demographics (name, DOB
CVE-2026-103939	5.4 MEDIUM	OpenEMR: Weno `file_download.php`: missing ACL/CSRF truncates the e-prescribing pharmacy d
CVE-2026-103021	5.3 MEDIUM	OpenEMR: Username Enumeration via Pre-Authentication User Settings Loading
CVE-2026-103020	5.3 MEDIUM	OpenEMR: Unauthenticated Information Disclosure in admin.php Exposes Database Names and Ve
CVE-2026-103019	4.3 MEDIUM	OpenEMR: Unauthenticated Open Redirect via OIDC End Session Endpoint

IV. Related Vulnerabilities

Same product: openemr

Same vendor: openemr

Same weakness: CWE-79