What is the CVSS score of CVE-2025-22388?

CVE-2025-22388 has a CVSS 3.1 base score of 5.7 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.5%.

Which versions of Optimizely Cms are affected by CVE-2025-22388?

Organizations using Optimizely EPiServer.CMS.Core should be aware of moderate risk from CVE-2025-22388, a cross-site scripting vulnerability rated CVSS 5.7.

How to fix or mitigate CVE-2025-22388?

Within 30 days: Identify affected systems running Optimizely EPiServer.CMS.Core and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Optimizely Cms CVE-2025-22388

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-01-04 cve@mitre.org

XSS Optimizely Cms

5.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.7 MEDIUM

AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:01 vuln.today

CVE Published

Jan 04, 2025 - 02:15 nvd

MEDIUM 5.7

DescriptionCVE.org

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.

AnalysisAI

An issue was discovered in Optimizely EPiServer.CMS.Core before 12.22.0. Rated medium severity (CVSS 5.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Optimizely Optimizely Cms. Version information: before 12.22.0..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.