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    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.

    Published:Mar 17, 2025
    Last Modified:Jul 24, 2025
    EPS:Mar 17, 2025
    EPSS Score:0.00033
    CVSS Score:4.2

    Affected Products

    Vendor
    Fortinet
    Product
    Fortiwlc

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2021-26093 (CVSS 7.3) — An access of uninitialized pointer (CWE-824) vulnerability in FortiWLC versions 8.6.0, 8.5.3 and earlier may a…
    CVE-2021-42758 (CVSS 8.8) — An improper access control vulnerability [CWE-284] in FortiWLC 8.6.1 and below may allow an authenticated and …
    CVE-2020-9288 (CVSS 5.4) — An improper neutralization of input vulnerability in FortiWLC 8.5.1 allows a remote authenticated attacker to …
    CVE-2017-17540 (CVSS 9.8) — The presence of a hardcoded account in Fortinet FortiWLC 8.3.3 allows attackers to gain unauthorized read/writ…
    CVE-2017-17539 (CVSS 9.8) — The presence of a hardcoded account in Fortinet FortiWLC 7.0.11 and earlier allows attackers to gain unauthori…
    CVE-2017-7341 (CVSS 7.2) — An OS Command Injection vulnerability in Fortinet FortiWLC 6.1-2 through 6.1-5, 7.0-7 through 7.0-10, 8.0 thro…
    CVE-2017-7335 (CVSS 5.4) — A Cross-Site Scripting (XSS) vulnerability in Fortinet FortiWLC 6.1-x (6.1-2, 6.1-4 and 6.1-5); 7.0-x (7.0-7, …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High