Medium

Strapi's field level permissions not being respected in relationship title

  • Disclosed: 13.09.2023
  • Updated: 11.10.2026 10:22

Summary

Field level permissions not being respected in relationship title. If I have a relationship title and the relationship shows a field I don't have permission to see I will still be visible.

Details

No RBAC checks on on the relationship the relation endpoint returns

PoC

Setup

Create a fresh strapi instance Create a new content type in the newly created content type add a relation to the users-permissions user. Save. Create a users-permissions user Use your created content type and create an entry in it related to the users-permisisons user

Go to settings -> Admin panel -> Roles -> Author Give the author role full permissions on the content type your created. Make sure they don't have any permission to see User Save

Create a new admin account with only the author role

CVE

login on the newly created author acount. go to the content manager to the colection type you created with the relationship to users_permissions_user You now see a field you don't have permissions to view.

Impact

RBAC field level checks leaks data selected by the admin user as relationship title What could be sensitive fields that they should not be allowed to see. by the person having this specific role.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package @strapi/plugin-content-manager < 4.12.1 4.12.1

References

CVSS score 6.8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
Weakness (CWE)
CWE-200, CWE-400
Platform
npm
Package
@strapi/plugin-content-manager
Disclosed
13.09.2023
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-m284-85mf-cgrc - CC BY 4.0

Vulnerability history: @strapi/plugin-content-manager

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

Total entries
3
First → latest
09.2023 06.2024
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Medium 2
  • Low 1

Disclosures per year

  1. 2023: 2
  2. 2024: 1
  3. 2025: 0
  4. 2026: 0
  1. Strapi's field level permissions not being respected in relationship title this entry
    Medium · 6.8 CVE-2023-37263 < 4.12.1 4.12.1

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