What is the CVSS score of CVE-2026-25453?

CVE-2026-25453 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-25453?

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

CVE-2026-25453

MEDIUM

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

2026-02-19 audit@patchstack.com

XSS

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

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:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:03 vuln.today

CVE Published

Feb 19, 2026 - 09:16 nvd

MEDIUM 6.5

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in mdempfle Advanced iFrame advanced-iframe allows DOM-Based XSS.This issue affects Advanced iFrame: from n/a through <= 2025.10.

AnalysisAI

DOM-based cross-site scripting in Advanced iFrame plugin through version 2025.10 allows authenticated attackers to inject malicious scripts that execute in users' browsers, potentially compromising session data and user interactions. The vulnerability requires user interaction and network access but can affect multiple security domains due to its scope impact. No patch is currently available.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects mdempfle Advanced iFrame advanced-iframe. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in mdempfle Advanced iFrame advanced-iframe allows DOM-Based XSS.This issue affects Advanced iFrame: from n/a through <= 2025.10.

Affected ProductsAI

Product: mdempfle Advanced iFrame advanced-iframe.

RemediationAI

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