# CVE-2023-24034: Nagios XI open redirect in twilio_ajax_handler.php

Source: https://junglewise.ai/threats/cve-2023-24034-nagios-xi-open-redirect-in-twilio-ajax-handler-php  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-14. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2023-24034 · Severity: low · CVSS 3.1 · Published 2026-09-14

Nagios XI is an enterprise monitoring platform that tracks infrastructure performance and alerts. The vulnerability allows an attacker to trick users into visiting malicious websites through a redirect flaw, potentially redirecting administrators away from legitimate sites to phishing pages or malware distributors.

Technologies: [Nagios XI](https://junglewise.ai/threats/technologies/xi). Vendors: [Nagios](https://junglewise.ai/threats/vendors/nagios).

## Quick answers

**Is CVE-2023-24034 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-24034 being exploited in the wild.

**How severe is CVE-2023-24034?** Low severity, with a CVSS score of 3.1, published 14 September 2026.

**Which products and versions are affected?** Nagios XI before 5.9.3.

**Is there a fix for CVE-2023-24034?** A patch was published on 2023: Fixed in Nagios XI 5.9.3 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2023-24034 attacked?** It is attacked over the network.

**Am I affected by CVE-2023-24034?** Check whether you run 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

An open redirect vulnerability exists in twilio_ajax_handler.php in Nagios XI before version 5.9.3. The vulnerability allows an attacker to craft a malicious URL that, when visited by a user, redirects them to an arbitrary attacker-controlled website. This is a client-side redirect that relies on user interaction (clicking a link) and does not require authentication to trigger. The attack vector is network-based, typically leveraging phishing or social engineering to deliver the malicious link. No remote code execution or direct system compromise occurs, but the redirect can facilitate credential theft or malware distribution.

## Affected products

- Nagios Nagios XI before 5.9.3

## Timeline

- 2026-09-14: disclosed
- 2023: patched: Fixed in Nagios XI 5.9.3

## References

- [https://www.nagios.com/downloads/nagios-xi/change-log/](https://www.nagios.com/downloads/nagios-xi/change-log/)
- [https://www.nagios.com/security-disclosures/](https://www.nagios.com/security-disclosures/)

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