XSS in Icinga Icinga_web_2

CVE-2025-27609

Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. A vulnerability in versions prior to 2.11.5 and 2.12.13 allows an attacker to craft a request that, once transmitted to a victim's Icinga Web, a…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-27609?
CVE-2025-27609 is a medium-severity vulnerability in Icinga Icinga_web_2, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-03-26.
How severe is CVE-2025-27609?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2025-27609 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.