# CVE-2026-3877: A reflected cross-site scripting (XSS) vulnerability in the dashboard search functionality of the VertiGIS FM solution…

Source: https://junglewise.ai/threats/cve-2026-3877-a-reflected-cross-site-scripting-xss-vulnerability-in-the  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-01  
License: CC BY 4.0 with a link back

CVE-2026-3877 · Severity: medium · CVSS 6.1 · Published 2026-04-01

A reflected cross-site scripting (XSS) vulnerability in the dashboard search functionality of the VertiGIS FM solution allows attackers to craft a malicious URL, that if visited by an authenticated victim, will execute arbitrary JavaScript in the victim's context. Such a URL could be delivered through various means, for instance, by sending a link or by tricking victims to visit a page crafted by the attacker.

Vendors: [VertiGIS](https://junglewise.ai/threats/vendors/vertigis).

## Quick answers

**Is CVE-2026-3877 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-3877 being exploited in the wild.

**How severe is CVE-2026-3877?** Medium severity, with a CVSS score of 6.1, published 1 April 2026.

**Which products and versions are affected?** VertiGIS Fm. The advisory does not name versions.

**Is there a fix for CVE-2026-3877?** 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-2026-3877?** Check whether you run VertiGIS Fm. 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

- VertiGIS Fm

## Related threats

- [A local file inclusion vulnerability in the upload/download flow of the VertiGIS FM application allows authenticated…](https://junglewise.ai/threats/cve-2026-0522-a-local-file-inclusion-vulnerability-in-the-upload-download-flow)