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.
Metrics
Affected Vendors & Products
References
History
Fri, 13 Feb 2026 18:00:00 +0000
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| First Time appeared |
Citeum
Citeum opencti |
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| CPEs | cpe:2.3:a:citeum:opencti:3.3.1:*:*:*:*:*:*:* | |
| Vendors & Products |
Citeum
Citeum opencti |
Tue, 03 Feb 2026 15:00:00 +0000
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Opencti-platform
Opencti-platform opencti |
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| Vendors & Products |
Opencti-platform
Opencti-platform opencti |
Mon, 02 Feb 2026 20:15:00 +0000
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| Metrics |
ssvc
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Fri, 30 Jan 2026 22:30:00 +0000
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| 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?'"--></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. | |
| Title | OpenCTI 3.3.1 - Cross Site Scripting | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-01-30T22:07:16.561Z
Updated: 2026-02-02T20:08:10.766Z
Reserved: 2026-01-28T18:18:30.524Z
Link: CVE-2020-37044
Updated: 2026-02-02T20:08:06.739Z
Status : Analyzed
Published: 2026-01-30T23:16:10.257
Modified: 2026-02-13T17:55:30.910
Link: CVE-2020-37044
No data.