# CVE-2026-1243: IBM Content Navigator 3.0.15, 3.1.0, and 3.2.0 is vulnerable to cross-site scripting. This vulnerability allows an…

Source: https://junglewise.ai/threats/cve-2026-1243-ibm-content-navigator-3-0-15-3-1-0-and-3-2-0-is-vulnerable-to  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-02  
License: CC BY 4.0 with a link back

CVE-2026-1243 · Severity: medium · CVSS 5.4 · Published 2026-04-02

IBM Content Navigator 3.0.15, 3.1.0, and 3.2.0 is vulnerable to cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

Technologies: [IBM Aix](https://junglewise.ai/threats/technologies/aix), [Linux Kernel](https://junglewise.ai/threats/technologies/kernel), [Microsoft Windows](https://junglewise.ai/threats/technologies/windows). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm), [Linux](https://junglewise.ai/threats/vendors/linux), [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-1243 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-1243 being exploited in the wild.

**How severe is CVE-2026-1243?** Medium severity, with a CVSS score of 5.4, published 2 April 2026.

**Which products and versions are affected?** IBM Aix, IBM Content Navigator, Linux Kernel, Microsoft Windows. The advisory does not name versions.

**Is there a fix for CVE-2026-1243?** 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-2026-1243?** Check whether you run IBM Aix, IBM Content Navigator, Linux Kernel or one of the others listed. 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

- IBM Aix
- IBM Content Navigator
- Linux Kernel
- Microsoft Windows

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