CVE-2025-22388: optimizely cms XSS — Fix

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.

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CVSS v3.1 Score

5.7

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
optimizely	optimizely_cms	< 12.22.0

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2025-22388? +

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. It has a CVSS v3.1 base score of 5.7 (MEDIUM).

How severe is CVE-2025-22388? +

CVE-2025-22388 has a CVSS v3.1 score of 5.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-22388? +

CVE-2025-22388 affects products from optimizely, specifically: optimizely_cms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-22388? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-22388