XSS in Fortinet Fortiweb

CVE-2021-22122

An improper neutralization of input during web page generation in FortiWeb GUI interface 6.3.0 through 6.3.7 and version before 6.2.4 may allow an unauthenticated, remote attacker to perform a reflected cross site scripting attack (XSS) by…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.105 (95.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-22122?
CVE-2021-22122 is a medium-severity vulnerability in Fortinet Fortiweb, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-02-08.
How severe is CVE-2021-22122?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-22122 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.