VULNERABILITY INTELLIGENCE
CVE-2021-26092
CVSS score4.7 MEDIUM
EPSS probability1.08%
CISA KEVNot currently listed
Published2022-02-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Description
Failure to sanitize input in the SSL VPN web portal of FortiOS 5.2.10 through 5.2.15, 5.4.0 through 5.4.13, 5.6.0 through 5.6.14, 6.0.0 through 6.0.12, 6.2.0 through 6.2.7, 6.4.0 through 6.4.4; and FortiProxy 1.2.0 through 1.2.9, 2.0.0 through 2.0.1 may allow a remote unauthenticated attacker to perform a reflected Cross-site Scripting (XSS) attack by sending a request to the error page with malicious GET parameters.
Weakness classification
- nvd@nist.gov: CWE-79
Primary references
- psirt@fortinet.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory