Vulnerability · Published Feb 1, 2026 · Assigned by VulnCheck

CVE-2022-50942Incinga Web 2.8.2 Client-Side Cross-Site Scripting via EventListener

Medium 5.4

In plain English

A medium-severity cross-site scripting in Incinga Web from Incinga. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 75.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Incinga Web 2.8.2 contains a client-side cross-site scripting vulnerability that allows remote attackers to inject malicious script codes through the icinga.min.js file. Attackers can exploit the EventListener.handleEvent method to execute arbitrary scripts, potentially leading to session hijacking and non-persistent phishing attacks.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12icingaweb2no fix listedDEBIAN-CVE-2022-50942
Debian:13icingaweb2no fix listedDEBIAN-CVE-2022-50942
Debian:14icingaweb2no fix listedDEBIAN-CVE-2022-50942
Ubuntu:22.04:LTSicingaweb2no fix listedUBUNTU-CVE-2022-50942
Ubuntu:24.04:LTSicingaweb2no fix listedUBUNTU-CVE-2022-50942
Ubuntu:25.10icingaweb2no fix listedUBUNTU-CVE-2022-50942
Ubuntu:26.04:LTSicingaweb2no fix listedUBUNTU-CVE-2022-50942
Ubuntu:26.10icingaweb2no fix listedUBUNTU-CVE-2022-50942

Affected products (as reported)

VendorProductVersions
Incinga Incinga Web 2.8.2

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References