CVE-2026-21788

MEDIUM

5.4

Description

HCL Connections is vulnerable to a cross-site scripting attack where an attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user which leads to executing malicious script code. This may allow the attacker steal cookie-based authentication credentials and comprise user's account then launch other attacks.

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published3/19/2026

Last Modified3/19/2026

Sourcenvd

Honeypot Sightings0

Affected Products

hcltech:connections

Weaknesses (CWE)

CWE-79

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129107(psirt@hcl.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.