Stored Cross-Site Scripting Vulnerability in FortiWLC Web Interface
CVE-2021-26087

4.2MEDIUM

Key Information:

Vendor

Fortinet
Status
Fortiwlc
Vendor
CVE Published:
17 March 2025

What is CVE-2021-26087?

FortiWLC's web interface is vulnerable due to improper input neutralization during web page generation. This flaw affects multiple versions, allowing both authenticated and unauthenticated attackers on the same network to execute stored cross-site scripting attacks. Attackers can inject malicious payloads via various entry points, potentially compromising user data and leading to unauthorized actions within the web interface.

Affected Version(s)

FortiWLC 8.6.0

FortiWLC 8.5.0 <= 8.5.3

FortiWLC 8.4.4 <= 8.4.8

References

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

CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-26087 : Stored Cross-Site Scripting Vulnerability in FortiWLC Web Interface