CVE-2025-22855 json
An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in Fortinet FortiClient befo…
published 2025-04-08 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-10301
- cvss
- 2.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- fortinet forticlientems 7.4.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 2.6 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C |
| CNA | 3.1 | 2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N |
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Fortinet FortiClientEMS
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
fortiguard.fortinet.com
/psirt/FG-IR-23-344
vendor-advisory
Sources
- CVE List CVE-2025-22855
- NVD CVE-2025-22855
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.