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

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

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.