CVE-2021-26087

EUVD-2021-12908
An improper neutralization of input during web page generation in FortiWLC version 8.6.0, version 8.5.3 and below, version 8.4.8 and below, version 8.3.3 web interface may allow both authenticated remote attackers and non-authenticated attackers in the same network as the appliance to perform a stored cross site scripting attack (XSS) via injecting malicious payloads in different locations.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
fortinetCNA
4.2 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:F/RL:X/RC:X
Base Score
CVSS 3.x
EPSS Score
Percentile: 16%
Affected Products (NVD)
VendorProductVersion
fortinetfortiwlc
8.4.0 ≤
𝑥
≤ 8.4.2
fortinetfortiwlc
8.4.4 ≤
𝑥
< 8.5.4
fortinetfortiwlc
8.3.3
fortinetfortiwlc
8.6.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://fortiguard.fortinet.com/psirt/FG-IR-20-137