What is CVE-2025-11189?

CVE-2025-11189 is a high-severity vulnerability in Synchroweb Kiwire, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2025-10-10.

How severe is CVE-2025-11189?

High severity. CVSS v3 base score is 7.3 out of 10.

XSS in Synchroweb Kiwire

CVE-2025-11189

The Kiwire Captive Portal contains a reflected cross-site scripting (XSS) vulnerability within the login-url parameter, allowing for Javascript execution.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-10-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (30.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Synchroweb Kiwire — versions 3.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.synchroweb.com/release-notes/kiwire/security (Release Notes, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-11189?: CVE-2025-11189 is a high-severity vulnerability in Synchroweb Kiwire, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2025-10-10.
How severe is CVE-2025-11189?: High severity. CVSS v3 base score is 7.3 out of 10.