{"id":"CVE-2026-33932","aliases":["EUVD-2026-16038","GHSA-g77x-9p3x-2j8f"],"status":"published","title":"OpenEMR has Stored XSS in CCDA Preview via Unsanitized linkHtml Attributes","description":"OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, a stored cross-site scripting vulnerability in the CCDA document preview allows an attacker who can upload or send a CCDA document to execute arbitrary JavaScript in a clinician's browser session when the document is previewed. The XSL stylesheet sanitizes attributes for all other narrative elements but not for `linkHtml`, allowing `href=\"javascript:...\"` and event handler attributes to pass through unchanged. Version 8.0.0.3 patches the issue.","severity":{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0019,"percentile":0.08686,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-03-25T23:37:58Z","modified":"2026-10-28T02:30:34Z","products":[{"vendor":"open-emr","product":"openemr"},{"vendor":"openemr","product":"openemr"}],"references":[{"url":"https://github.com/openemr/openemr/security/advisories/GHSA-g77x-9p3x-2j8f","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory"]},{"url":"https://github.com/openemr/openemr/commit/95e6078889b5399b12b59117f998560cd94bd47d","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/openemr/openemr/releases/tag/v8_0_0_3","tags":["x_refsource_MISC","Product","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33932.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33932","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-33932","title":"OpenEMR has Stored XSS in CCDA Preview via Unsanitized linkHtml Attributes","description":"OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, a stored cross-site scripting vulnerability in the CCDA document preview allows an attacker who can upload or send a CCDA document to execute arbitrary JavaScript in a clinician's browser session when the document is previewed. The XSL stylesheet sanitizes attributes for all other narrative elements but not for `linkHtml`, allowing `href=\"javascript:...\"` and event handler attributes to pass through unchanged. Version 8.0.0.3 patches the issue.","status":"published","published":"2026-03-25T23:37:58.427Z","modified":"2026-03-30T14:56:39.996Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:08.009733Z"}],"euvd":[{"id":"EUVD-2026-16038","description":"OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, a stored cross-site scripting vulnerability in the CCDA document preview allows an attacker who can upload or send a CCDA document to execute arbitrary JavaScript in a clinician's browser session when the document is previewed. The XSL stylesheet sanitizes attributes for all other narrative elements but not for `linkHtml`, allowing `href=\"javascript:...\"` and event handler attributes to pass through unchanged. Version 8.0.0.3 patches the issue.","status":"published","published":"2026-03-25T23:37:58Z","modified":"2026-03-30T14:56:39Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-02T19:25:25.878486Z"}],"nvd":[{"id":"CVE-2026-33932","description":"OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, a stored cross-site scripting vulnerability in the CCDA document preview allows an attacker who can upload or send a CCDA document to execute arbitrary JavaScript in a clinician's browser session when the document is previewed. The XSL stylesheet sanitizes attributes for all other narrative elements but not for `linkHtml`, allowing `href=\"javascript:...\"` and event handler attributes to pass through unchanged. Version 8.0.0.3 patches the issue.","status":"published","published":"2026-03-26T00:16:39.953Z","modified":"2026-06-17T10:38:19.443Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:11.678711Z"}],"osv":[{"id":"CVE-2026-33932","title":"OpenEMR has Stored XSS in CCDA Preview via Unsanitized linkHtml Attributes","description":"OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, a stored cross-site scripting vulnerability in the CCDA document preview allows an attacker who can upload or send a CCDA document to execute arbitrary JavaScript in a clinician's browser session when the document is previewed. The XSL stylesheet sanitizes attributes for all other narrative elements but not for `linkHtml`, allowing `href=\"javascript:...\"` and event handler attributes to pass through unchanged. Version 8.0.0.3 patches the issue.","status":"published","published":"2026-03-25T23:37:58.427Z","modified":"2026-10-28T02:30:34.114143329Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:45:01.896044Z"}]}}