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    CVE-2021-21087

    Adobe Coldfusion versions 2016 (update 16 and earlier), 2018 (update 10 and earlier) and 2021.0.0.323925 are affected by an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. An attacker could abuse this vulnerability to execute arbitrary JavaScript code in context of the current user. Exploitation of this issue requires user interaction.

    Published:Apr 15, 2021
    Last Modified:Apr 23, 2025
    EPS:Apr 15, 2021
    EPSS Score:0.84921
    CVSS Score:5.4

    Affected Products

    Vendor
    Adobe
    Product
    Coldfusion

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-71383 (CVSS 7.3) — is affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An att…
    CVE-2026-21279 (CVSS 8.2) — is affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. An a…
    CVE-2026-48384 (CVSS 4.9) — ColdFusion is affected by an Improper Input Validation vulnerability that could result in an application denia…
    CVE-2026-48375 (CVSS 6.5) — ColdFusion is affected by an Incorrect Authorization vulnerability that could result in an application denial-…
    CVE-2026-21269 (CVSS 4.6) — ColdFusion is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-priv…
    CVE-2026-48376 (CVSS 5.4) — is affected by an Improper Encoding or Escaping of Output vulnerability that could result in a Security featur…
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    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