CVE-2025-22388

Name: CVE-2025-22388
Creator: NVD / NIST
Published: 2025-01-04T02:15:07.48+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.7/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2025-22388 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. 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. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.7/10

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

EPSS Probability

0.31%

23.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Optimizely	Optimizely Cms	< 12.22.0

References

https://support.optimizely.com/hc/en-us/articles/33182047260557-Content-Management-System-CMS-Security-Advisory-CMS-2025-01Vendor Advisory

Timeline

Published: Jan 4, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-22388?

How severe is CVE-2025-22388?

CVE-2025-22388 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2025-22388?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-22388?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST