What is the CVSS score of CVE-2025-5198?

CVE-2025-5198 has a CVSS 3.1 base score of 5.0 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.1%.

Which versions of Kubernetes are affected by CVE-2025-5198?

Organizations using A flaw should be aware of moderate risk from CVE-2025-5198, a cross-site scripting vulnerability rated CVSS 5.0.

How to fix or mitigate CVE-2025-5198?

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

Kubernetes CVE-2025-5198

MEDIUM

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

2025-05-27 secalert@redhat.com

Kubernetes XSS Advanced Cluster Security Stackrox Red Hat

5.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.0 MEDIUM

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

Red Hat

5.0 MEDIUM

qualitative

Primary rating from NVD.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:44 vuln.today

CVE Published

May 27, 2025 - 21:15 nvd

MEDIUM 5.0

DescriptionCVE.org

A flaw was found in Stackrox, where it is vulnerable to Cross-site scripting (XSS) if the script code is included in a small subset of table cells. The only known potential exploit is if the script is included in the name of a Kubernetes “Role” object* that is applied to a secured cluster. This object can be used by a user with access to the cluster or through a compromised third-party product.

AnalysisAI

A flaw was found in Stackrox, where it is vulnerable to Cross-site scripting (XSS) if the script code is included in a small subset of table cells. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, no authentication required. 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. A flaw was found in Stackrox, where it is vulnerable to Cross-site scripting (XSS) if the script code is included in a small subset of table cells. The only known potential exploit is if the script is included in the name of a Kubernetes “Role” object* that is applied to a secured cluster. This object can be used by a user with access to the cluster or through a compromised third-party product. Affected products include: Redhat Advanced Cluster Security, Stackrox.

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.