We use these services and cookies to improve your user experience. You may opt out if you wish, however, this may limit some features on this site.
Please see our statement on Data Privacy.
An issue was discovered in Optimizely EPiServer.CMS.Core before 12.22.0. A high-severity Stored Cross-Site Scripting (XSS) vulnerability exists in the CMS, allowing malicious actors to inject and execute arbitrary JavaScript code, potentially compromising user data, escalating privileges, or executing unauthorized actions. The issue exists in multiple areas, including content editing, link management, and file uploads.
Reserved 2025-01-04 | Published 2025-01-04 | Updated 2025-01-06 | Assigner mitreCWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
support.optimizely.com/...-CMS-Security-Advisory-CMS-2025-01
Support options