CVE-2021-26087

CVSS 4.2 MEDIUMEPSS 0.3%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.2EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

17 Mar 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Fortinet · FortiWLC

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References

https://fortiguard.fortinet.com/psirt/FG-IR-20-137