Read the docs
TI-2020-19179 Aliases CVE-2020-37044GHSA-f8vp-6qv4-w6c7

OpenCTI 3.3.1 - Cross Site Scripting

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00393 33rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FiligranOpenCTI3.3.1—No fix listedCNA
  • OpenCTI VendorFiligran Affected 3.3.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:citeum:opencti:3.3.1:*:*:*:*:*:*:*3.3.1VulnerableOpenCTI-Platform
  • cpe:2.3:a:citeum:opencti:3.3.1:*:*:*:*:*:*:* Versions 3.3.1 Vulnerable ·OpenCTI-Platform

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-37044
  2. 2026-10-03 Alias added: GHSA-f8vp-6qv4-w6c7

References

Exploit 1

Other 2

  • TI-2026-19722 OpenAEV's Improper Password Reset Token Management Leads to Unauthenticated Account Takeover and Platform Compromise CVSS 3.1CRITICAL 9.8
  • TI-2020-19176 OpenCTI 3.3.1 - Directory Traversal CVSS 4.0HIGH 7.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences