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    CVE-2020-6646

    An improper neutralization of input vulnerability in FortiWeb allows a remote authenticated attacker to perform a stored cross site scripting attack (XSS) via the Disclaimer Description of a Replacement Message.

    Published:Mar 17, 2020
    Last Modified:Nov 21, 2024
    EPS:Mar 17, 2020
    EPSS Score:0.00227
    CVSS Score:5.4

    Affected Products

    Vendor
    Fortinet
    Product
    Fortiweb

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-26035 (CVSS 9.8) — An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, For…
    CVE-2026-70466 (CVSS 5.3) — A incomplete list of disallowed inputs vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 …
    CVE-2026-40688 (CVSS 7.2) — An out-of-bounds write vulnerability [CWE-787] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWe…
    CVE-2026-39811 (CVSS 4.9) — A integer overflow or wraparound vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 throug…
    CVE-2026-39814 (CVSS 6.7) — A relative path traversal vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6…
    CVE-2025-66178 (CVSS 7.2) — A improper neutralization of special elements used in an os command ('os command injection') vulnerability in …
    CVE-2026-24641 (CVSS 2.7) — A NULL Pointer Dereference vulnerability [CWE-476] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, For…
    CVE-2026-24640 (CVSS 6.6) — A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, …
    CVE-2026-24017 (CVSS 8.1) — An Improper Control of Interaction Frequency vulnerability [CWE-799] vulnerability in Fortinet FortiWeb 8.0.0 …
    CVE-2025-48840 (CVSS 5.3) — An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 th…

    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