CVE-2026-3877
CVE-2026-3877 is a medium-severity vulnerability in Vertigis Fm with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v4: 7.3
- EPSS exploit prediction: 0% (8th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-17883
- Weakness: CWE-79
- Affected product: Vertigis Fm
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-3877?
- 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.
- How severe is CVE-2026-3877?
- CVE-2026-3877 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-3877 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-3877?
- CVE-2026-3877 affects Vertigis Fm. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-3877?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-3877 have an EU (EUVD) identifier?
- Yes. CVE-2026-3877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17883.
- When was CVE-2026-3877 published?
- CVE-2026-3877 was published on 2026-04-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:vertigis:fm:*:*:*:*:*:*:*:*
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