CVE-2026-33933 | OpenEMR up to 8.0.0.2 cross site scripting (GHSA-9qh7-cfq4-j7c3)

VDB-353553 · CVE-2026-33933 · GHSA-9QH7-CFQ4-J7C3 OPENEMR UP TO 8.0.0.2 CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.1 $0-$5k 2.95+ Summaryinfo A vulnerability marked as problematic has been reported in OpenEMR. This affects an unknown part. Performing a manipulation results in cross site scripting. This vulnerability was named CVE-2026-33933. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component. Detailsinfo A vulnerability was found in OpenEMR. It has been classified as problematic. This affects an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is: OpenEMR is a free and open source electronic health records and medical practice management application. Starting in version 7.0.2.1 and prior to version 8.0.0.3, a reflected cross-site scripting (XSS) vulnerability in the custom template editor allows an attacker to execute arbitrary JavaScript in an authenticated staff member's browser session by sending them a crafted URL. The attacker does not need an OpenEMR account. Version 8.0.0.3 patches the issue. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-33933 since 03/24/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue. Upgrading to version 8.0.0.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch d5c8d49ef19983472b2d7db0dbebd2dac9d6a200 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. Productinfo Type Business Process Management Software Name OpenEMR Version 2.8.1 2.8.2 3.1.0 3.2 3.2.0 4.0.0 4.1.0 4.1.1 5.0.0 5.0.0 Patch 1 5.0.1 5.0.1-6 5.0.1-dev 5.0.1.1 5.0.1.3 5.0.1.4 5.0.2 5.0.2.1 5.0.2.4 5.0.2.5 6.0.0 6.0.0-dev 6.0.0.0 6.0.0.2 6.0.0.4 6.1.0 6.1.0.1 7.0.0 7.0.0.1 7.0.0.2 7.0.1 7.0.2 7.0.2.1 7.0.3 7.0.3.1 7.0.3.4 7.0.4 7.3.0 8.0.0 8.0.0.1 8.0.0.2 License open-source Website Product: https://github.com/openemr/openemr/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.2 VulDB Meta Temp Score: 5.1 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.1 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Cross site scripting CWE: CWE-79 / CWE-94 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: OpenEMR 8.0.0.3 Patch: d5c8d49ef19983472b2d7db0dbebd2dac9d6a200 Timelineinfo 03/24/2026 CVE reserved 03/26/2026 +2 days Advisory disclosed 03/26/2026 +0 days VulDB entry created 03/26/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-9qh7-cfq4-j7c3 Status: Confirmed CVE: CVE-2026-33933 (🔒) GCVE (CVE): GCVE-0-2026-33933 GCVE (VulDB): GCVE-100-353553 Entryinfo Created: 03/26/2026 07:03 Changes: 03/26/2026 07:03 (67) Complete: 🔍 Cache ID: 99:CEF:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸