# CVE-2016-15049: Nagios Log Server versions prior to 1.4.2 are vulnerable to cross-site scripting (XSS) in the Dashboards section when…

Source: https://junglewise.ai/threats/cve-2016-15049-nagios-log-server-versions-prior-to-1-4-2-are-vulnerable-to-cross  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-10-30  
License: CC BY 4.0 with a link back

CVE-2016-15049 · Severity: medium · CVSS 5.4 · Published 2025-10-30

Nagios Log Server versions prior to 1.4.2 are vulnerable to cross-site scripting (XSS) in the Dashboards section when rendering log entries in the Logs table. Untrusted log content was not safely encoded for the output context, allowing attacker-controlled data present in logs to execute script in the victim’s browser within the application origin.

Technologies: [Nagios Log Server](https://junglewise.ai/threats/technologies/nagios-log-server). Vendors: [Nagios](https://junglewise.ai/threats/vendors/nagios).

## Quick answers

**Is CVE-2016-15049 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2016-15049 being exploited in the wild.

**How severe is CVE-2016-15049?** Medium severity, with a CVSS score of 5.4, published 30 October 2025.

**Which products and versions are affected?** Nagios Log Server. The advisory does not name versions.

**Is there a fix for CVE-2016-15049?** 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.

**Am I affected by CVE-2016-15049?** Check whether you run Nagios Log Server. 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.

## Affected products

- Nagios Log Server

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