What is CVE-2026-25453?

CVE-2026-25453 is a medium-severity vulnerability in Mdempfle Advanced Iframe, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-02-19.

How severe is CVE-2026-25453?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XSS in Mdempfle Advanced Iframe

CVE-2026-25453

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (5.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

Affected products

Mdempfle Advanced Iframe — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-25453?: CVE-2026-25453 is a medium-severity vulnerability in Mdempfle Advanced Iframe, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-02-19.
How severe is CVE-2026-25453?: Medium severity. CVSS v3 base score is 6.5 out of 10.