CVE-2023-39345 Unauthorized Access to Private Fields in User Registration API in strapi
Attackers can modify private user fields during registration, potentially escalating privileges or altering account data in Strapi CMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-39345?
CVE-2023-39345 is a high-severity missing authorization vulnerability in strapi, published on 6 Nov 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2023-39345?
4 open source packages ship an affected version, including @strapi/plugin-users-permissions and @strapi/strapi. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@strapi/plugin-users-permissions npm | From 4.0.0 | 4.13.1 |
@strapi/plugin-users-permissions npm | From 4.0.0 | 4.13.1 |
@strapi/strapi npm | From 4.0.0 | 4.13.1 |
@strapi/strapi npm | From 4.0.0 | 4.13.1 |
Products include Strapi Strapi.
How do I fix CVE-2023-39345?
Upgrade @strapi/plugin-users-permissions to 4.13.1 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-39345 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-39345 exists.
Other vulnerabilities in strapi
- CVE-2023-22894 Strapi Cleartext Storage of Sensitive Information
- CVE-2023-22621 Strapi plugins vulnerable to Server-Side Template Injection and Remote Code Execution in the Users-Permissions Plugin
- CVE-2022-27263 Unrestricted Upload of File with Dangerous Type in Strapi
- CVE-2020-27664 Authorization bypass in Strapi
- CVE-2019-18818 Strapi allows unauthenticated attacker to reset admin password without valid reset token
Sources
Also known as GHSA-gc7p-j5xm-xxh2.