How severe is CVE-2025-22388?

CVE-2025-22388 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-22388 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-22388?

CVE-2025-22388 affects Optimizely Optimizely Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-22388?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-22388 have an EU (EUVD) identifier?

Yes. CVE-2025-22388 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2769.

When was CVE-2025-22388 published?

CVE-2025-22388 was published on 2025-01-04 and last updated on 2026-06-17.

CVE-2025-22388

CVE-2025-22388 is a medium-severity vulnerability in Optimizely Optimizely Cms with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-2769
Weakness: CWE-79
Affected product: Optimizely Optimizely Cms
Published: 2025-01-04
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-22388?: CVE-2025-22388 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-22388 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-22388?: CVE-2025-22388 affects Optimizely Optimizely Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-22388?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-22388 have an EU (EUVD) identifier?: Yes. CVE-2025-22388 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2769.
When was CVE-2025-22388 published?: CVE-2025-22388 was published on 2025-01-04 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:optimizely:optimizely_cms:*:*:*:*:*:*:*:*

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