Filigran OpenCTI 3.3.1 on Linux GET /graphql cross site scripting

Summaryinfo

A vulnerability was found in Filigran OpenCTI 3.3.1 on Linux. It has been rated as problematic. The impacted element is an unknown function of the file /graphql of the component GET Handler. Performing a manipulation results in cross site scripting. This vulnerability is identified as CVE-2020-37044. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Filigran OpenCTI 3.3.1 on Linux. It has been classified as problematic. This affects an unknown function of the file /graphql of the component GET Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

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.

The weakness was released by Raif Berkay Dincel as 48595. The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2020-37044 since 01/28/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (48595) and EUVD (EUVD-2020-30934). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Filigran

Name

• OpenCTI

Version

• 3.3.1

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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