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CVE-2023-28104

24
FAUCET Score

CVE-2023-28104 is a denial-of-service vulnerability affecting Silverstripe graphql versions 4.2.2 and 4.1.1. An unauthenticated attacker can exploit this by sending a specially crafted GraphQL query to a publicly exposed endpoint, particularly impacting sites with large or complex schemas. The vulnerability has a CVSS score of 7.5 (HIGH) due to its network attack vector, low attack complexity, and high impact on availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.1.1CPE matchmatch criteria
cpe:2.3:a:silverstripe:graphql:4.1.1:*:*:*:*:*:*:*
4.2.2CPE matchmatch criteria
cpe:2.3:a:silverstripe:graphql:4.2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0106 is in the 38th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: silverstripe/graphqlFixed in: 4.1.2
composerpatch availablevia ghsa
Product: silverstripe/graphqlFixed in: 4.2.3
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-67g8-c724-8mp3high

DDOS attack on graphql endpoints

Mar 16, 2023

References

github.com / silverstripe/silverstripe-graphql/pull/526
Patch
github.com / silverstripe/silverstripe-graphql/releases/tag/4.1.2
PatchRelease Notes
github.com / silverstripe/silverstripe-graphql/releases/tag/4.2.3
PatchRelease Notes
github.com / silverstripe/silverstripe-graphql/security/advisories/GHSA-67g8-c724-8mp3
Vendor Advisory