TI-2023-20484 Aliases CVE-2023-39345 GHSA-gc7p-j5xm-xxh2

Unauthorized Access to Private Fields in User Registration API in strapi

HIGH 66CWE-287Published 2023-11-06 · Updated 2024-09-04

Key facts

Attack vector: Adjacent network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: Low · High · Low
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-287.

Summary

strapi is an open-source headless CMS. Versions prior to 4.13.1 did not properly restrict write access to fielded marked as private in the user registration endpoint. As such malicious users may be able to errantly modify their user records. This issue has been addressed in version 4.13.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00593 48th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed strapi (strapi): 4.13.1@strapi/plugin-users-permissions (npm): 4.13.1+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Strapi	strapi	4.0.0 to before 4.13.1	4.13.1	Patch available	CNA
—	@strapi/plugin-users-permissions (npm)	4.0.0 to before 4.13.1	4.13.1	Patch available	GHSA-gc7p-j5xm-xxh2
—	@strapi/strapi (npm)	4.0.0 to before 4.13.1	4.13.1	Patch available	GHSA-gc7p-j5xm-xxh2

strapi VendorStrapi Affected 4.0.0 to before 4.13.1 Fixed in 4.13.1 Patch available CNA
@strapi/plugin-users-permissions (npm) Vendor— Affected 4.0.0 to before 4.13.1 Fixed in 4.13.1 Patch available GHSA-gc7p-j5xm-xxh2
@strapi/strapi (npm) Vendor— Affected 4.0.0 to before 4.13.1 Fixed in 4.13.1 Patch available GHSA-gc7p-j5xm-xxh2

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:strapi:strapi::::::::	4.0.0 to before 4.13.1	Vulnerable	Strapi

cpe:2.3:a:strapi:strapi:*:*:*:*:*:*:*:* Versions 4.0.0 to before 4.13.1 Vulnerable ·Strapi

Remediation

Fix · CNA strapi (strapi) Fixed in 4.13.1
Fix · GHSA-gc7p-j5xm-xxh2 @strapi/plugin-users-permissions (npm) Fixed in 4.13.1 Advisory →
Fix · GHSA-gc7p-j5xm-xxh2 @strapi/strapi (npm) Fixed in 4.13.1 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2023-39345
2026-10-03 Alias added: GHSA-gc7p-j5xm-xxh2

References

Exploit 1

https://github.com/strapi/strapi/security/advisories/GHSA-gc7p-j5xm-xxh2

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2023-39345

Other 2

TI-2023-09037 Query filter flaw in Strapi exposes sensitive user details KEVCVSS 3.1HIGH 7.2
TI-2019-13554 strapi before 3.0.0-beta.17.5 mishandles password resets within… CVSS 3.1CRITICAL 9.8
TI-2023-19887 Strapi Improper Rate Limiting vulnerability CVSS 3.1CRITICAL 9.8
TI-2023-08803 Strapi through 4.5.5 allows authenticated Server-Side Template Injection (SSTI) that can… CVSS 3.1CRITICAL 10.0
TI-2024-25161 Strapi v4.24.4 was discovered to contain a Server-Side Request Forgery (SSRF) via the… CVSS 3.1HIGH 8.6
TI-2023-17071 Leaking sensitive user information still possible by filtering on private with prefix fields CVSS 3.1HIGH 8.6

See all 38 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences