What is the CVSS score of CVE-2026-26357?

CVE-2026-26357 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-26357?

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

CVE-2026-26357

MEDIUM

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

2026-02-17 security_alert@emc.com

XSS Information Disclosure

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 17, 2026 - 20:22 nvd

MEDIUM 5.4

DescriptionCVE.org

Dell Unisphere for PowerMax, version(s) 9.2.4.x, contain(s) an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to the execution of malicious HTML or JavaScript code in a victim user's web browser in the context of the vulnerable web application. Exploitation may lead to information disclosure, session theft, or client-side request forgery.

AnalysisAI

Stored cross-site scripting in Dell Unisphere for PowerMax 9.2.4.x allows authenticated remote attackers to inject malicious scripts that execute in users' browsers, potentially enabling session hijacking or credential theft. The vulnerability requires user interaction and carries a medium severity rating with no patch currently available.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Dell Unisphere for PowerMax, version(s) 9.2.4.x, contain(s) an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to the execution of malicious HTML or JavaScript code in a victim user's web browser in the context of the vulnerable web application. Exploitation may lead to information disclosure, session theft, or client-side request forgery.

Affected ProductsAI

Dell Unisphere for PowerMax, version(s) 9.2.4.x, contain(s) an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vu

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.