Quick answers
- Is CVE-2025-56432 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-56432 being exploited in the wild.
- How severe is CVE-2025-56432?
- Medium severity, with a CVSS score of 6.1, published 26 August 2025.
- Which products and versions are affected?
- Nagios XI 2024R2.
- Is there a fix for CVE-2025-56432?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2025-56432 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2025-56432?
- Check whether you run Nagios XI or Nagios XI at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A reflected cross-site scripting (XSS) vulnerability exists in Nagios XI version 2024R2. The flaw is located within the web component responsible for rendering performance-related data, which fails to properly neutralize user-supplied input before including it in the generated web page. An unauthenticated remote attacker can exploit this by inducing a logged-in user to visit a specially crafted URL. Successful exploitation allows the execution of arbitrary JavaScript in the context of the victim's browser session, potentially leading to session hijacking or unauthorized configuration changes. The vulnerability is tracked as CWE-79.
Affected products
- Nagios Nagios XI 2024R2
Timeline
- 2025-08-26: advisory: NVD published the vulnerability record.