What is the CVSS score of CVE-2025-3440?

CVE-2025-3440 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.2%.

Which versions of Security Guardium are affected by CVE-2025-3440?

Organizations using IBM Security Guardium 11.5 should be aware of moderate risk from CVE-2025-3440, a cross-site scripting vulnerability rated CVSS 5.5.

How to fix or mitigate CVE-2025-3440?

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

Security Guardium CVE-2025-3440

MEDIUM

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

2025-05-15 psirt@us.ibm.com

IBM XSS Security Guardium

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:42 vuln.today

CVE Published

May 15, 2025 - 16:15 nvd

MEDIUM 5.5

DescriptionCVE.org

IBM Security Guardium 11.5 is vulnerable to stored cross-site scripting. This vulnerability allows a privileged user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

AnalysisAI

IBM Security Guardium 11.5 is vulnerable to stored cross-site scripting. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, low attack complexity. 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. IBM Security Guardium 11.5 is vulnerable to stored cross-site scripting. This vulnerability allows a privileged user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. Affected products include: Ibm Security Guardium.

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.

CVE-2025-3440 vulnerability details – vuln.today

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