CVE-2018-13380
A Cross-site Scripting (XSS) vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.7, 5.4.0 to 5.4.12, 5.2 and below and Fortinet FortiProxy 2.0.0, 1.2.8 and below under SSL VPN web portal allows attacker to execute unauthorized malicious script code via the error or message handling parameters.
Key facts
- CVSS score
- 4.7 (v3.1)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N- Weakness (CWE)
- CWE-79
- EPSS score
- 62.5% (99th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2018-5324)
- Published
- June 4, 2019
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2018-5324 in the EU Vulnerability Database. Last updated in EUVD on October 25, 2024.
View on the EU Vulnerability DatabaseAffected products
- fortinet / fortios
- fortinet / fortiproxy
- fortinet / fortiproxy
Certified products that may be affected
5 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- FortiOS 5.6 - Fortinet, Inc. - FIPS 140 3639 - historical
- FortiProxy-400E/2000E/4000E - Fortinet, Inc. - FIPS 140 3628 - historical
- Fortinet FortiProxy v1.0 - Fortinet, Inc. - Common Criteria 383-4-475 - archived
- FortiOS™ - Fortinet, Inc. - FIPS 140 1754 - historical
- FortiOS - Fortinet, Inc. - FIPS 140 1431 - historical
References
- https://fortiguard.com/advisory/FG-IR-18-383(Mitigation, Vendor Advisory)
- https://fortiguard.com/advisory/FG-IR-20-230(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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