CVE-2025-22855: fortinet forticlientems Cross-site Scripting
CVSS: 4.8v3.1MediumAnalyzed
Published 08-04-2025Last modified 08-04-2025
Vulnerability summary
CVE-2025-22855 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in fortinet forticlientems. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.9% of scored vulnerabilities.
CVSS score
4.8/10
010
Medium · v3.1 (NVD)EPSS score
0.36%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-04-2025PublishedVulnerability first disclosed.
- 08-04-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NSources2 sources · 2.6–4.8
- CVE.orgCNA2.6LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:CDiffers
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
+0.01 pp
From 0.36% on 19-09-2026
19-09-202619-10-2026
EPSS score0.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fortinet1 product
- forticlientems≥ 7.4.0, ≤ 7.4.1 | ≥ 7.2.1, ≤ 7.2.8 | ≥ 7.2.1, ≤ 7.2.10 | ≥ 7.4.0, < 7.4.3
1 vendor · 1 product
References
1 links- fortiguard.fortinet.com/psirt/FG-IR-23-344Vendor Advisory