Security Advisory WSO2-2025-4517/CVE-2025-12107

Published: 2026-01-23

Version: 1.0.0

Severity: High

CVSS Score: 8.4 (CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)

CVE IDs: CVE-2025-12107


AFFECTED PRODUCTS

  • WSO2 Identity Server: 5.11.0

OVERVIEW

Potential authenticated Server-Side Template Injection (SSTI) vulnerability.

DESCRIPTION

Due to the use of a vulnerable third-party Velocity template engine, a malicious actor with admin privilege may inject and execute arbitrary template syntax within server-side templates.

IMPACT

Successful exploitation of this vulnerability could allow a malicious actor with admin privilege to inject and execute arbitrary template code on the server, potentially leading to remote code execution, data manipulation, or unauthorized access to sensitive information.

SOLUTION

Community Users (Open Source)

Migrate to the latest unaffected version of the respective WSO2 product(s).

Support Subscription Holders

Update your product to the specified update level, or to a higher update level, to mitigate the identified vulnerability.

Info

WSO2 Support Subscription Holders may use WSO2 Updates in order to apply the fix.

Product Name Product Version Update Level
WSO2 Identity Server 5.11.0 433