CVE-2025-27800: Improper Neutralization of Input During Web Page Generation

The Episerver Content Management System CMS by Optimizely was affected by multiple Stored Cross-Site Scripting XSS vulnerabilities. This allowed an authenticated attacker to execute malicious JavaScript code in the victim's browser. The Admin dashboard offered the functionality to add gadgets to...

CVE-2025-27802: Improper Neutralization of Input During Web Page Generation

The Episerver Content Management System CMS by Optimizely was affected by multiple Stored Cross-Site Scripting XSS vulnerabilities. This allowed an authenticated attacker to execute malicious JavaScript code in the victim's browser. RTE properties text fields, which could be used in the "Edit"...

CVE-2025-22388: Improper Neutralization of Input During Web Page Generation

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...

CVE-2025-22390: Weak Password Requirements

An issue was discovered in Optimizely EPiServer.CMS.Core before 12.32.0. A medium-severity vulnerability exists in the CMS due to insufficient enforcement of password complexity requirements. The application permits users to set passwords with a minimum length of 6 characters, lacking adequate...

CVE-2025-22389: Unrestricted Upload of File with Dangerous Type

An issue was discovered in Optimizely EPiServer.CMS.Core before 12.32.0. A medium-severity vulnerability exists in the CMS, where the application does not properly validate uploaded files. This allows the upload of potentially malicious file types, including .docm .html. When accessed by...