XSS in Icinga Icingaweb2
CVE-2025-27404
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 URL that, once visited by any user, allows to embed arbitr…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.001 (28.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Icinga Icingaweb2 — versions < 2.11.5, >= 2.12.0, < 2.12.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/Icinga/icingaweb2/security/advisories/GHSA-c6pg-h955-wf66 (x_refsource_CONFIRM)
- https://github.com/Icinga/icingaweb2/releases/tag/v2.11.5 (x_refsource_MISC)
- https://github.com/Icinga/icingaweb2/releases/tag/v2.12.3 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-27404?
- CVE-2025-27404 is a high-severity vulnerability in Icinga Icingaweb2, classified under Cross-site Scripting. CVSS score: 7.7/10. Published 2025-03-26.
- How severe is CVE-2025-27404?
- High severity. CVSS v3 base score is 7.7 out of 10.
- Is CVE-2025-27404 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.