CVE-2023-39345

Unauthorized Access to Private Fields in User Registration API in strapi

HIGH
7.5
CVSS Score
Published: November 6, 2023 at 06:26 PM UTC
Updated: June 17, 2026 at 06:12 AM UTC
1 product affected across 1 vendorStrapi

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%
v < 4.13.14.0.0 ≤ v < 4.13.14.0.0
Affected range stops below 4.13.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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