CVE-2026-42224: ipl/web is vulnerable to reflected XSS by malformed search requests

April 29, 2026

The vulnerability allows an attacker to inject malicious Javascript into a victim’s browser to run it in the context of Icinga Web. The victim needs to visit a specifically prepared website and may have no immediate chance to notice any wrongdoing.

References

github.com/Icinga/ipl-web
github.com/Icinga/ipl-web/commit/f387e92504d7a03bb857d1aee9b7410e06dd065d
github.com/Icinga/ipl-web/releases/tag/v0.13.1
github.com/Icinga/ipl-web/security/advisories/GHSA-55wf-5m3q-6jjf
github.com/advisories/GHSA-55wf-5m3q-6jjf
nvd.nist.gov/vuln/detail/CVE-2026-42224

Code Behaviors & Features

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