What’s Vulnerable › Vulnerabilities

CVE-2023-28104: silverstripe/graphql Denial of Service vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-16 · updated 2026-06-17
• Weakness: CWE-770

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.

Affected products

• silverstripe-graphql: 4.1.1, 4.2.2

References

• https://github.com/silverstripe/silverstripe-graphql/pull/526
• https://github.com/silverstripe/silverstripe-graphql/releases/tag/4.1.2
• https://github.com/silverstripe/silverstripe-graphql/releases/tag/4.2.3
• https://github.com/silverstripe/silverstripe-graphql/security/advisories/GHSA-67g8-c724-8mp3
• https://github.com/silverstripe/silverstripe-graphql/pull/526
• https://github.com/silverstripe/silverstripe-graphql/releases/tag/4.1.2
• https://github.com/silverstripe/silverstripe-graphql/releases/tag/4.2.3
• https://github.com/silverstripe/silverstripe-graphql/security/advisories/GHSA-67g8-c724-8mp3

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