CVE-2026-3877 — MEDIUM (6.1)

Q: How severe is CVE-2026-3877?

CVE-2026-3877 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-3877?

Check the references section above for vendor advisories and patch information. Affected products include: Vertigis Fm.

Vulnerability Description

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.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Vertigis	Fm	< 10.13.403

Related Weaknesses (CWE)

CWE-79

References

https://www.redguard.ch/blog/2026/04/01/advisory-vertigis-vertigisfm/ExploitThird Party Advisory

FAQ

What is CVE-2026-3877?

CVE-2026-3877 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 vi...

How severe is CVE-2026-3877?

CVE-2026-3877 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-3877?

Check the references section above for vendor advisories and patch information. Affected products include: Vertigis Fm.