PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-21825 HCLSoftware CVE debrief

HCL Digital Experience Compose is affected by a reflected cross-site scripting (XSS) vulnerability in the search center. An attacker could execute arbitrary JavaScript in the victim's browser.

Vendor
HCLSoftware
Product
DX Compose
CVSS
MEDIUM 6.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-07-23
Advisory published
2026-06-05
Advisory updated
2026-07-23

Who should care

Administrators and users of HCL Digital Experience Compose, particularly those using version 9.5, should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is a reflected cross-site scripting (XSS) issue in the search center of HCL Digital Experience Compose. This allows an attacker to execute arbitrary JavaScript in the victim's browser.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply the patch or fix provided by the vendor as referenced in [ref-4].
  • Restrict access to the search center to trusted users.
  • Implement additional security measures such as input validation and output encoding.

Evidence notes

The CVE-2026-21825 record and associated details were obtained from official sources, including CVE.org and the National Vulnerability Database (NVD).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-21825 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-21825

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-21825 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-21825

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.