8.8
HIGH
CVE-2025-27134
Joplin Privilege Escalation Vulnerability
Description

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. Prior to version 3.3.3, a privilege escalation vulnerability exists in the Joplin server, allowing non-admin users to exploit the API endpoint `PATCH /api/users/:id` to set the `is_admin` field to 1. The vulnerability allows malicious low-privileged users to perform administrative actions without proper authorization. This issue has been patched in version 3.3.3.

INFO

Published Date :

April 30, 2025, 3:16 p.m.

Last Modified :

May 16, 2025, 4:32 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2025-27134 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Joplin_project joplin
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-27134.

URL Resource
https://github.com/laurent22/joplin/commit/12baa9827dac9da903f244c9f358e3deb264e228 Patch
https://github.com/laurent22/joplin/security/advisories/GHSA-xj67-649m-3p8x Exploit Vendor Advisory
https://github.com/laurent22/joplin/security/advisories/GHSA-xj67-649m-3p8x Exploit Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-27134 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-27134 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    May. 16, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:joplin_project:joplin:*:*:*:*:*:-:*:* versions up to (excluding) 3.3.3
    Added Reference Type GitHub, Inc.: https://github.com/laurent22/joplin/commit/12baa9827dac9da903f244c9f358e3deb264e228 Types: Patch
    Added Reference Type CISA-ADP: https://github.com/laurent22/joplin/security/advisories/GHSA-xj67-649m-3p8x Types: Exploit, Vendor Advisory
    Added Reference Type GitHub, Inc.: https://github.com/laurent22/joplin/security/advisories/GHSA-xj67-649m-3p8x Types: Exploit, Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Apr. 30, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/laurent22/joplin/security/advisories/GHSA-xj67-649m-3p8x
  • New CVE Received by [email protected]

    Apr. 30, 2025

    Action Type Old Value New Value
    Added Description Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. Prior to version 3.3.3, a privilege escalation vulnerability exists in the Joplin server, allowing non-admin users to exploit the API endpoint `PATCH /api/users/:id` to set the `is_admin` field to 1. The vulnerability allows malicious low-privileged users to perform administrative actions without proper authorization. This issue has been patched in version 3.3.3.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-284
    Added Reference https://github.com/laurent22/joplin/commit/12baa9827dac9da903f244c9f358e3deb264e228
    Added Reference https://github.com/laurent22/joplin/security/advisories/GHSA-xj67-649m-3p8x
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-27134 is associated with the following CWEs:

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Jun. 05, 2025 13:51