High

ezplatform-graphql GraphQL queries can expose password hashes

  • Disclosed: 10.11.2022
  • Updated: 11.10.2026 10:22

Impact

Unauthenticated GraphQL queries for user accounts can expose password hashes of users that have created or modified content, typically but not necessarily limited to administrators and editors.

Patches

Resolving versions: Ibexa DXP v1.0.13, v2.3.12

Workarounds

Remove the "passwordHash" entry from "src/bundle/Resources/config/graphql/User.types.yaml" in the GraphQL package, and other properties like hash type, email, login if you prefer.

References

This issue was reported to us by Philippe Tranca ("trancap") of the company Lexfo. We are very grateful for their research, and responsible disclosure to us of this critical vulnerability.

For more information

If you have any questions or comments about this advisory, please contact Support via your service portal.

Affected software

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PlatformPackageVulnerable versionsFixed in
Composer package ezsystems/ezplatform-graphql >= 1.0.0-rc1, < 1.0.13, >= 2.0.0-beta1, < 2.3.12 1.0.13, 2.3.12

References

CVSS score 7.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-200, CWE-922
Platform
Composer
Package
ezsystems/ezplatform-graphql
Disclosed
10.11.2022
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-c7pc-pgf6-mfh5 - CC BY 4.0

Vulnerability history: ezsystems/ezplatform-graphql

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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