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CVE-2026-21825: CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') in HCLSoftware DX Compose

0
Medium
VulnerabilityCVE-2026-21825cvecve-2026-21825cwe-79
Published: Fri Jun 05 2026 (06/05/2026, 06:03:11 UTC)
Source: CVE Database V5
Vendor/Project: HCLSoftware
Product: DX Compose

Description

CVE-2026-21825 is a reflected cross-site scripting (XSS) vulnerability in HCL Digital Experience Compose version 9. 5, specifically in the search center component. This vulnerability allows an attacker to execute arbitrary JavaScript code in the victim's browser. The CVSS 3. 1 base score is 6. 1, indicating a medium severity level. No official patch or remediation guidance has been provided yet by the vendor. There are no known exploits in the wild at this time.

CVSS v3.1

Score 6.1medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/05/2026, 06:48:40 UTC

Technical Analysis

HCL Digital Experience Compose 9.5 contains a reflected XSS vulnerability (CWE-79) in its search center functionality. This flaw arises from improper neutralization of input during web page generation, enabling attackers to inject and execute arbitrary JavaScript in users' browsers. The vulnerability has a CVSS 3.1 score of 6.1 (medium severity), with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts confidentiality and integrity but not availability. No official fix or patch has been announced, and the product is not a cloud service, so remediation depends on vendor updates.

Potential Impact

Successful exploitation could allow an attacker to execute arbitrary JavaScript in the context of the victim's browser session, potentially leading to information disclosure or manipulation of data accessible to the user. The impact affects confidentiality and integrity but does not affect availability. There are no known active exploits in the wild currently.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary mitigation has been provided, users should monitor HCLSoftware advisories for updates. Until a patch is available, consider limiting exposure of the vulnerable search center component or applying web application firewall (WAF) rules to detect and block reflected XSS attempts if feasible.

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Technical Details

Data Version
5.2
Assigner Short Name
HCL
Date Reserved
2026-01-05T16:08:22.254Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a226dc2e29bf47b503d4de8

Added to database: 6/5/2026, 6:33:38 AM

Last enriched: 6/5/2026, 6:48:40 AM

Last updated: 6/5/2026, 8:07:00 AM

Views: 4

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