CVE-2023-28104

Name: CVE-2023-28104
Creator: NVD / NIST
Published: 2023-03-16T16:15:12.75+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.05%

Last modified Jun 17, 2026

CVE-2023-28104 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. `silverstripe/graphql` serves Silverstripe data as GraphQL representations. In versions 4.2.2 and 4.1.1, an attacker could use a specially crafted graphql query to execute a denial of service attack against a website which has a publicly exposed graphql endpoint. EPSS estimates a 1.05% chance of exploitation in the next 30 days.

Description

`silverstripe/graphql` serves Silverstripe data as GraphQL representations. In versions 4.2.2 and 4.1.1, an attacker could use a specially crafted graphql query to execute a denial of service attack against a website which has a publicly exposed graphql endpoint. This mostly affects websites with particularly large/complex graphql schemas. Users should upgrade to `silverstripe/graphql` 4.2.3 or 4.1.2 to remedy the vulnerability.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.05%

60.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Silverstripe	Graphql	4.1.1
Silverstripe	Graphql	4.2.2

References

https://github.com/silverstripe/silverstripe-graphql/pull/526Patch
https://github.com/silverstripe/silverstripe-graphql/releases/tag/4.1.2Patch, Release Notes
https://github.com/silverstripe/silverstripe-graphql/releases/tag/4.2.3Patch, Release Notes
https://github.com/silverstripe/silverstripe-graphql/security/advisories/GHSA-67g8-c724-8mp3Vendor Advisory
https://github.com/silverstripe/silverstripe-graphql/pull/526Patch
https://github.com/silverstripe/silverstripe-graphql/releases/tag/4.1.2Patch, Release Notes
https://github.com/silverstripe/silverstripe-graphql/releases/tag/4.2.3Patch, Release Notes
https://github.com/silverstripe/silverstripe-graphql/security/advisories/GHSA-67g8-c724-8mp3Vendor Advisory

Timeline

Published: Mar 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28104?

How severe is CVE-2023-28104?

CVE-2023-28104 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28104?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-28104?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST