Vulnerability Details CVE-2021-26087
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 17.4%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2021-26087
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cpe:2.3:a:fortinet:fortiwlc:8.3.3
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cpe:2.3:a:fortinet:fortiwlc:8.4.0
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cpe:2.3:a:fortinet:fortiwlc:8.4.1
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cpe:2.3:a:fortinet:fortiwlc:8.4.2
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cpe:2.3:a:fortinet:fortiwlc:8.4.4
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cpe:2.3:a:fortinet:fortiwlc:8.4.5
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cpe:2.3:a:fortinet:fortiwlc:8.4.6
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cpe:2.3:a:fortinet:fortiwlc:8.4.7
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cpe:2.3:a:fortinet:fortiwlc:8.4.8
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cpe:2.3:a:fortinet:fortiwlc:8.5.0
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cpe:2.3:a:fortinet:fortiwlc:8.5.1
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cpe:2.3:a:fortinet:fortiwlc:8.5.2
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cpe:2.3:a:fortinet:fortiwlc:8.5.3
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cpe:2.3:a:fortinet:fortiwlc:8.6.0