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?'"--></style></scRipt><scRipt>alert('Raif_Berkay')</scRipt> will trigger an alert. This vulnerability was discovered by Raif Berkay Dincel and confirmed on Linux Mint and Windows 10.
References
| Link | Resource |
|---|---|
| https://github.com/OpenCTI-Platform/opencti | Product |
| https://www.exploit-db.com/exploits/48595 | Exploit Third Party Advisory VDB Entry |
| https://www.opencti.io/ | Product |
| https://www.vulncheck.com/advisories/opencti-cross-site-scripting | Broken Link |
Configurations
History
13 Feb 2026, 17:55
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/OpenCTI-Platform/opencti - Product | |
| References | () https://www.exploit-db.com/exploits/48595 - Exploit, Third Party Advisory, VDB Entry | |
| References | () https://www.opencti.io/ - Product | |
| References | () https://www.vulncheck.com/advisories/opencti-cross-site-scripting - Broken Link | |
| CPE | cpe:2.3:a:citeum:opencti:3.3.1:*:*:*:*:*:*:* | |
| First Time |
Citeum
Citeum opencti |
30 Jan 2026, 23:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-01-30 23:16
Updated : 2026-02-13 17:55
NVD link : CVE-2020-37044
Mitre link : CVE-2020-37044
CVE.ORG link : CVE-2020-37044
JSON object : View
Products Affected
citeum
- opencti
CWE
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')