CVE-2025-22389: optimizely cms File Upload RCE — Fix

Description

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 application users, these files can be used to execute malicious actions or compromise users' systems.

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CVSS v3.1 Score

8.0

HIGH

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

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
optimizely	optimizely_cms	< 12.32.0

References

Advisories & Patches

https://support.optimizely.com/hc/en-us/articles/33182404079629-Content-Management-System-CMS-Security-Advisory-CMS-2025-03

Frequently Asked Questions

What is CVE-2025-22389? +

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 application users, these files can be used to execute malicious actions or compromise users' systems. It has a CVSS v3.1 base score of 8.0 (HIGH).

How severe is CVE-2025-22389? +

CVE-2025-22389 has a CVSS v3.1 score of 8.0 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-22389? +

CVE-2025-22389 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-2025-22389? +

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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