CVE-2021-22122

MEDIUM EXPLOITED NUCLEI

FortiWeb < 6.2.3 and 6.3.0-6.3.7 - Unauthenticated Reflected Cross-Site Scripting via API Endpoints

Title source: llm

Exploitation Summary

CVE-2021-22122 has been observed exploited in the wild (reported by VulnCheck KEV). A Nuclei detection template is also available.

Description

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 injecting malicious payload in different vulnerable API end-points.

Nuclei Templates (1)

FortiWeb - Cross Site Scripting

MEDIUMby dwisiswant0

Shodan: http.title:"fortiweb - "

FOFA: title="fortiweb - "

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

https://fortiguard.com/advisory/FG-IR-20-122

Scores

CVSS v3 6.1

EPSS 0.1052

EPSS Percentile 95.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

VulnCheck KEV 2024-01-22

CWE

CWE-79

Status published

Products (1)

fortinet/fortiweb < 6.2.3

Published Feb 08, 2021

Tracked Since Feb 18, 2026