{"id":"CVE-2020-37044","aliases":["EUVD-2020-30934","GHSA-f8vp-6qv4-w6c7","PYSEC-2026-115"],"status":"published","title":"OpenCTI 3.3.1 - Cross Site Scripting","description":"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.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00393,"percentile":0.33681,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-01-30T22:07:16Z","modified":"2026-10-20T10:49:31Z","affected":[{"source":"osv","ecosystem":"PyPI","package":"pycti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.3.1"}]}],"versions":["1.2.1","1.2.11","1.2.12","1.2.13","1.2.14","1.2.15","1.2.2","1.2.4","1.2.9","2.0.0","2.0.1","2.0.2","2.0.3","2.1.10","2.1.11","2.1.12","2.1.13","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9","3.0.0","3.0.1","3.0.2","3.0.3","3.1.0","3.1.1","3.1.2","3.2.0","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.3.0","3.3.1"]}],"products":[{"vendor":"citeum","product":"opencti"},{"vendor":"filigran","product":"opencti"},{"vendor":"opencti-platform","product":"opencti"}],"references":[{"url":"https://www.exploit-db.com/exploits/48595","tags":["exploit","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"https://www.opencti.io/","tags":["product","Product","web"]},{"url":"https://github.com/OpenCTI-Platform/opencti","tags":["product","Product","package"]},{"url":"https://www.vulncheck.com/advisories/opencti-cross-site-scripting","tags":["third-party-advisory","Broken Link","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-37044"},{"url":"https://www.opencti.io"},{"url":"https://github.com/advisories/GHSA-f8vp-6qv4-w6c7"}],"sources":{"cve":[{"id":"CVE-2020-37044","title":"OpenCTI 3.3.1 - Cross Site Scripting","description":"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.","status":"published","published":"2026-01-30T22:07:16.561Z","modified":"2026-03-05T01:27:39.756Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:47.22408Z"}],"euvd":[{"id":"EUVD-2020-30934","description":"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.","status":"published","published":"2026-01-30T22:07:16Z","modified":"2026-03-05T01:27:39Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:48:09.897368Z"}],"ghsa":[{"id":"GHSA-f8vp-6qv4-w6c7","title":"OpenCTI 3.3.1 is vulnerable to a reflected cross-site scripting (XSS) attack via the /graphql...","description":"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.","status":"published","published":"2026-01-31T00:30:29Z","modified":"2026-01-31T00:30:36Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:05:59.660813Z"}],"nvd":[{"id":"CVE-2020-37044","description":"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.","status":"published","published":"2026-01-30T23:16:10.257Z","modified":"2026-06-17T03:16:50.013Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:48.591569Z"}],"osv":[{"id":"CVE-2020-37044","description":"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.","status":"published","published":"2026-01-30T23:16:10.257Z","modified":"2026-10-20T10:49:31.841777039Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:16.936975Z"},{"id":"PYSEC-2026-115","description":"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.","status":"published","published":"2026-01-30T23:16:10.257Z","modified":"2026-05-21T15:00:10.841726365Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:54.622769Z"}]}}