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    CVE-2026-21269

    ColdFusion is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field. Scope is changed.

    Published:Aug 11, 2026
    Last Modified:Sep 8, 2026
    EPS:Aug 11, 2026
    EPSS Score:0.0027
    CVSS Score:4.6

    Affected Products

    Vendor
    Adobe
    Product
    Coldfusion
    Vendor
    Adobe
    Product
    Coldfusion 2023
    Vendor
    Adobe
    Product
    Coldfusion 2025

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-83961 (CVSS 7.1) — ColdFusion is affected by an Improper Authentication vulnerability that could result in privilege escalation. …
    CVE-2026-71387 (CVSS 8.8) — ColdFusion is affected by an Incorrect Authorization vulnerability that could result in arbitrary code executi…
    CVE-2026-48385 (CVSS 7.7) — ColdFusion is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS Command In…
    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-2026-48376 (CVSS 5.4) — is affected by an Improper Encoding or Escaping of Output vulnerability that could result in a Security featur…
    CVE-2026-48440 (CVSS 8.1) — ColdFusion is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execu…
    CVE-2026-34635 (CVSS 8.4) — is affected by a Use of Hard-coded Cryptographic Key vulnerability that could result in a Security feature byp…

    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