{"id":"CVE-2020-37044","details":"OpenCTI 3.3.1 is vulnerable to a reflected cross-site scripting (XSS) attack via the /graphql endpoint. An attacker can inject arbitrary JavaScript code by sending a crafted GET request with a malicious payload in the query string, leading to execution of JavaScript in the victim's browser. For example, a request to /graphql?'\"--\u003e\u003c/style\u003e\u003c/scRipt\u003e\u003cscRipt\u003ealert('Raif_Berkay')\u003c/scRipt\u003e will trigger an alert. This vulnerability was discovered by Raif Berkay Dincel and confirmed on Linux Mint and Windows 10.","aliases":["PYSEC-2026-115"],"modified":"2026-07-09T02:36:04.886415Z","published":"2026-01-30T23:16:10.257Z","references":[{"type":"WEB","url":"https://www.opencti.io/"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/opencti-cross-site-scripting"},{"type":"PACKAGE","url":"https://github.com/OpenCTI-Platform/opencti"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/48595"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/opencti-platform/opencti","events":[{"introduced":"8db2da84f2e88f3b7b86e06e78c76806fa59ea25"},{"last_affected":"8db2da84f2e88f3b7b86e06e78c76806fa59ea25"}],"database_specific":{"cpe":"cpe:2.3:a:citeum:opencti:3.3.1:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.3.1"},{"last_affected":"3.3.1"}],"source":"CPE_STRING"}}],"versions":["3.3.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-37044.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}