CVE-2020-37044

MEDIUM

5.4

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.

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published1/30/2026

Last Modified2/13/2026

Sourcenvd

Honeypot Sightings0

Affected Products

citeum:opencti

Weaknesses (CWE)

CWE-79

References

https://github.com/OpenCTI-Platform/opencti(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/48595(disclosure@vulncheck.com)

https://www.opencti.io/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/opencti-cross-site-scripting(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.