How severe is CVE-2025-22855?

CVE-2025-22855 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-22855 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-22855?

CVE-2025-22855 affects Fortinet Forticlientems. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-22855?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-22855 have an EU (EUVD) identifier?

Yes. CVE-2025-22855 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10301.

When was CVE-2025-22855 published?

CVE-2025-22855 was published on 2025-04-08 and last updated on 2026-06-17.

CVE-2025-22855

CVE-2025-22855 is a low-severity vulnerability in Fortinet Forticlientems with a CVSS 3.x base score of 2.7. 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: Low (CVSS 3.x base score 2.7)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10301
Weakness: CWE-79
Affected product: Fortinet Forticlientems
Published: 2025-04-08
Last modified: 2026-06-17

Description

An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in Fortinet FortiClient before 7.4.1 may allow the EMS administrator to send messages containing javascript code.

Frequently asked questions

What is CVE-2025-22855?: An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in Fortinet FortiClient before 7.4.1 may allow the EMS administrator to send messages containing javascript code.
How severe is CVE-2025-22855?: CVE-2025-22855 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-22855 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-22855?: CVE-2025-22855 affects Fortinet Forticlientems. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-22855?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-22855 have an EU (EUVD) identifier?: Yes. CVE-2025-22855 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10301.
When was CVE-2025-22855 published?: CVE-2025-22855 was published on 2025-04-08 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-23-344

Affected products (1)

cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*

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