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    CVE-2026-21826

    HCL Digital Experience and HCL Digital Experience Compose could be susceptible to Host header injection.  An attacker can manipulate the Host header and cause the application to behave in unexpected ways.

    Published:Jun 5, 2026
    Last Modified:Jun 10, 2026
    EPS:Jun 5, 2026
    EPSS Score:0.00026
    CVSS Score:6.1

    Affected Products

    Vendor
    Hcltech
    Product
    Digital Experience
    Vendor
    Hcltech
    Product
    Digital Experience Compose
    Vendor
    Hcltech
    Product
    Dx Compose

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

    Related CVEs

    CVE-2026-21825 (CVSS 6.1) — HCL Digital Experience Compose is affected by a reflected cross-site scripting (XSS) vulnerability in the sear…
    CVE-2026-21837 (CVSS 8.7) — HCL Digital Experience is affected by an OS command injection vulnerability in the Digital Asset Management AP…
    CVE-2025-62326 (CVSS 6.1) — HCL Digital Experience is susceptible to stored cross-site scripting (XSS) in the administrative user interfac…
    CVE-2025-31988 (CVSS 4.9) — HCL Digital Experience is susceptible to cross site scripting (XSS) in an administrative UI with restricted ac…
    CVE-2023-37538 (CVSS 9.3) — HCL Digital Experience is susceptible to cross site scripting (XSS). One subcomponent is vulnerable to reflect…
    CVE-2022-38653 (CVSS 2) — In HCL Digital Experience, customized XSS payload can be constructed such that it is served in the application…
    CVE-2020-4081 (CVSS 6.1) — In Digital Experience 8.5, 9.0, and 9.5, WSRP consumer is vulnerable to cross-site scripting (XSS).…
    CVE-2020-14255 (CVSS 7.5) — HCL Digital Experience 9.5 containers include vulnerabilities that could expose sensitive data to unauthorized…
    CVE-2020-14221 (CVSS 4.9) — HCL Digital Experience 8.5, 9.0, and 9.5 exposes information about the server to unauthorized users.…
    CVE-2020-14223 (CVSS 6.1) — HCL Digital Experience 8.5, 9.0, 9.5 is susceptible to cross-site scripting (XSS). The vulnerability could be …

    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